diff --git a/.travis.yml b/.travis.yml
index d4d9180..67a0b6a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
 
 sudo: false
 
diff --git a/composer.json b/composer.json
index 0ddfe8e..c594212 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
   "prefer-stable": true,
   "require": {
     "php": ">=5.6.0",
-    "yiisoft/yii2": "^2.0"
+    "yiisoft/yii2": "~2.0.13"
   },
   "require-dev": {
     "phpunit/phpunit": "^5.7"
@@ -31,5 +31,16 @@
     "psr-4": {
       "skiptirengu\\mssql\\tests\\": "tests/"
     }
+  },
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://asset-packagist.org"
+    }
+  ],
+  "config": {
+    "platform": {
+      "php": "5.6"
+    }
   }
 }
diff --git a/composer.lock b/composer.lock
index febb129..6d5b805 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,99 +1,50 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "abb9a0d5d3bf03150404768d182ba1a6",
+    "content-hash": "fc94bcc1abb39afba8060296e788d4e6",
     "packages": [
         {
-            "name": "bower-asset/jquery",
-            "version": "2.2.4",
+            "name": "bower-asset/inputmask",
+            "version": "3.3.11",
             "source": {
                 "type": "git",
-                "url": "https://github.com/jquery/jquery-dist.git",
-                "reference": "c0185ab7c75aab88762c5aae780b9d83b80eda72"
+                "url": "https://github.com/RobinHerbots/Inputmask.git",
+                "reference": "5e670ad62f50c738388d4dcec78d2888505ad77b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/jquery/jquery-dist/zipball/c0185ab7c75aab88762c5aae780b9d83b80eda72",
-                "reference": "c0185ab7c75aab88762c5aae780b9d83b80eda72",
-                "shasum": ""
+                "url": "https://api.github.com/repos/RobinHerbots/Inputmask/zipball/5e670ad62f50c738388d4dcec78d2888505ad77b",
+                "reference": "5e670ad62f50c738388d4dcec78d2888505ad77b",
+                "shasum": null
             },
-            "type": "bower-asset-library",
-            "extra": {
-                "bower-asset-main": "dist/jquery.js",
-                "bower-asset-ignore": [
-                    "package.json"
-                ]
+            "require": {
+                "bower-asset/jquery": ">=1.7"
             },
+            "type": "bower-asset",
             "license": [
-                "MIT"
-            ],
-            "keywords": [
-                "browser",
-                "javascript",
-                "jquery",
-                "library"
+                "http://opensource.org/licenses/mit-license.php"
             ]
         },
         {
-            "name": "bower-asset/jquery.inputmask",
-            "version": "3.3.6",
+            "name": "bower-asset/jquery",
+            "version": "3.2.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/RobinHerbots/Inputmask.git",
-                "reference": "e42852f4afa01a80815394a5b2f9ce504c1a8d0b"
+                "url": "https://github.com/jquery/jquery-dist.git",
+                "reference": "77d2a51d0520d2ee44173afdf4e40a9201f5964e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/RobinHerbots/Inputmask/zipball/e42852f4afa01a80815394a5b2f9ce504c1a8d0b",
-                "reference": "e42852f4afa01a80815394a5b2f9ce504c1a8d0b",
-                "shasum": ""
-            },
-            "require": {
-                "bower-asset/jquery": ">=1.7"
-            },
-            "type": "bower-asset-library",
-            "extra": {
-                "bower-asset-main": [
-                    "./dist/inputmask/inputmask.js",
-                    "./dist/inputmask/inputmask.extensions.js",
-                    "./dist/inputmask/inputmask.date.extensions.js",
-                    "./dist/inputmask/inputmask.numeric.extensions.js",
-                    "./dist/inputmask/inputmask.phone.extensions.js",
-                    "./dist/inputmask/jquery.inputmask.js",
-                    "./dist/inputmask/global/document.js",
-                    "./dist/inputmask/global/window.js",
-                    "./dist/inputmask/phone-codes/phone.js",
-                    "./dist/inputmask/phone-codes/phone-be.js",
-                    "./dist/inputmask/phone-codes/phone-nl.js",
-                    "./dist/inputmask/phone-codes/phone-ru.js",
-                    "./dist/inputmask/phone-codes/phone-uk.js",
-                    "./dist/inputmask/dependencyLibs/inputmask.dependencyLib.jqlite.js",
-                    "./dist/inputmask/dependencyLibs/inputmask.dependencyLib.jquery.js",
-                    "./dist/inputmask/dependencyLibs/inputmask.dependencyLib.js",
-                    "./dist/inputmask/bindings/inputmask.binding.js"
-                ],
-                "bower-asset-ignore": [
-                    "**/*",
-                    "!dist/*",
-                    "!dist/inputmask/*",
-                    "!dist/min/*",
-                    "!dist/min/inputmask/*"
-                ]
+                "url": "https://api.github.com/repos/jquery/jquery-dist/zipball/77d2a51d0520d2ee44173afdf4e40a9201f5964e",
+                "reference": "77d2a51d0520d2ee44173afdf4e40a9201f5964e",
+                "shasum": null
             },
+            "type": "bower-asset",
             "license": [
-                "http://opensource.org/licenses/mit-license.php"
-            ],
-            "description": "Inputmask is a javascript library which creates an input mask.  Inputmask can run against vanilla javascript, jQuery and jqlite.",
-            "keywords": [
-                "form",
-                "input",
-                "inputmask",
-                "jquery",
-                "mask",
-                "plugins"
+                "MIT"
             ]
         },
         {
@@ -101,75 +52,51 @@
             "version": "v1.3.2",
             "source": {
                 "type": "git",
-                "url": "https://github.com/bestiejs/punycode.js.git",
+                "url": "git@github.com:bestiejs/punycode.js.git",
                 "reference": "38c8d3131a82567bfef18da09f7f4db68c84f8a3"
             },
             "dist": {
                 "type": "zip",
                 "url": "https://api.github.com/repos/bestiejs/punycode.js/zipball/38c8d3131a82567bfef18da09f7f4db68c84f8a3",
                 "reference": "38c8d3131a82567bfef18da09f7f4db68c84f8a3",
-                "shasum": ""
+                "shasum": null
             },
-            "type": "bower-asset-library",
-            "extra": {
-                "bower-asset-main": "punycode.js",
-                "bower-asset-ignore": [
-                    "coverage",
-                    "tests",
-                    ".*",
-                    "component.json",
-                    "Gruntfile.js",
-                    "node_modules",
-                    "package.json"
-                ]
-            }
+            "type": "bower-asset"
         },
         {
             "name": "bower-asset/yii2-pjax",
-            "version": "v2.0.6",
+            "version": "2.0.7.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/yiisoft/jquery-pjax.git",
-                "reference": "60728da6ade5879e807a49ce59ef9a72039b8978"
+                "url": "git@github.com:yiisoft/jquery-pjax.git",
+                "reference": "aef7b953107264f00234902a3880eb50dafc48be"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/yiisoft/jquery-pjax/zipball/60728da6ade5879e807a49ce59ef9a72039b8978",
-                "reference": "60728da6ade5879e807a49ce59ef9a72039b8978",
-                "shasum": ""
+                "url": "https://api.github.com/repos/yiisoft/jquery-pjax/zipball/aef7b953107264f00234902a3880eb50dafc48be",
+                "reference": "aef7b953107264f00234902a3880eb50dafc48be",
+                "shasum": null
             },
             "require": {
                 "bower-asset/jquery": ">=1.8"
             },
-            "type": "bower-asset-library",
-            "extra": {
-                "bower-asset-main": "./jquery.pjax.js",
-                "bower-asset-ignore": [
-                    ".travis.yml",
-                    "Gemfile",
-                    "Gemfile.lock",
-                    "CONTRIBUTING.md",
-                    "vendor/",
-                    "script/",
-                    "test/"
-                ]
-            },
+            "type": "bower-asset",
             "license": [
                 "MIT"
             ]
         },
         {
             "name": "cebe/markdown",
-            "version": "1.1.1",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/cebe/markdown.git",
-                "reference": "c30eb5e01fe021cc5bba2f9ee0eeef96d4931166"
+                "reference": "25b28bae8a6f185b5030673af77b32e1163d5c6e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/cebe/markdown/zipball/c30eb5e01fe021cc5bba2f9ee0eeef96d4931166",
-                "reference": "c30eb5e01fe021cc5bba2f9ee0eeef96d4931166",
+                "url": "https://api.github.com/repos/cebe/markdown/zipball/25b28bae8a6f185b5030673af77b32e1163d5c6e",
+                "reference": "25b28bae8a6f185b5030673af77b32e1163d5c6e",
                 "shasum": ""
             },
             "require": {
@@ -216,20 +143,20 @@
                 "markdown",
                 "markdown-extra"
             ],
-            "time": "2016-09-14T20:40:20+00:00"
+            "time": "2017-07-16T21:13:23+00:00"
         },
         {
             "name": "ezyang/htmlpurifier",
-            "version": "v4.9.2",
+            "version": "v4.10.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ezyang/htmlpurifier.git",
-                "reference": "6d50e5282afdfdfc3e0ff6d192aff56c5629b3d4"
+                "reference": "d85d39da4576a6934b72480be6978fb10c860021"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/6d50e5282afdfdfc3e0ff6d192aff56c5629b3d4",
-                "reference": "6d50e5282afdfdfc3e0ff6d192aff56c5629b3d4",
+                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/d85d39da4576a6934b72480be6978fb10c860021",
+                "reference": "d85d39da4576a6934b72480be6978fb10c860021",
                 "shasum": ""
             },
             "require": {
@@ -263,25 +190,25 @@
             "keywords": [
                 "html"
             ],
-            "time": "2017-03-13T06:30:53+00:00"
+            "time": "2018-02-23T01:58:20+00:00"
         },
         {
             "name": "yiisoft/yii2",
-            "version": "2.0.11.2",
+            "version": "2.0.15.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/yiisoft/yii2-framework.git",
-                "reference": "ee996adec1dfd7babb67bd0c604f5bd6425fe5ab"
+                "reference": "ed3a9e1c4abe206e1c3ce48a6b3624119b79850d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/yiisoft/yii2-framework/zipball/ee996adec1dfd7babb67bd0c604f5bd6425fe5ab",
-                "reference": "ee996adec1dfd7babb67bd0c604f5bd6425fe5ab",
+                "url": "https://api.github.com/repos/yiisoft/yii2-framework/zipball/ed3a9e1c4abe206e1c3ce48a6b3624119b79850d",
+                "reference": "ed3a9e1c4abe206e1c3ce48a6b3624119b79850d",
                 "shasum": ""
             },
             "require": {
-                "bower-asset/jquery": "2.2.*@stable | 2.1.*@stable | 1.11.*@stable | 1.12.*@stable",
-                "bower-asset/jquery.inputmask": "~3.2.2 | ~3.3.3",
+                "bower-asset/inputmask": "~3.2.2 | ~3.3.5",
+                "bower-asset/jquery": "3.2.*@stable | 3.1.*@stable | 2.2.*@stable | 2.1.*@stable | 1.11.*@stable | 1.12.*@stable",
                 "bower-asset/punycode": "1.3.*",
                 "bower-asset/yii2-pjax": "~2.0.1",
                 "cebe/markdown": "~1.0.0 | ~1.1.0",
@@ -363,20 +290,20 @@
                 "framework",
                 "yii2"
             ],
-            "time": "2017-02-08T09:04:32+00:00"
+            "time": "2018-03-21T18:36:53+00:00"
         },
         {
             "name": "yiisoft/yii2-composer",
-            "version": "2.0.5",
+            "version": "2.0.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/yiisoft/yii2-composer.git",
-                "reference": "3f4923c2bde6caf3f5b88cc22fdd5770f52f8df2"
+                "reference": "1439e78be1218c492e6cde251ed87d3f128b9534"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/yiisoft/yii2-composer/zipball/3f4923c2bde6caf3f5b88cc22fdd5770f52f8df2",
-                "reference": "3f4923c2bde6caf3f5b88cc22fdd5770f52f8df2",
+                "url": "https://api.github.com/repos/yiisoft/yii2-composer/zipball/1439e78be1218c492e6cde251ed87d3f128b9534",
+                "reference": "1439e78be1218c492e6cde251ed87d3f128b9534",
                 "shasum": ""
             },
             "require": {
@@ -405,6 +332,10 @@
                 {
                     "name": "Qiang Xue",
                     "email": "qiang.xue@gmail.com"
+                },
+                {
+                    "name": "Carsten Brandt",
+                    "email": "mail@cebe.cc"
                 }
             ],
             "description": "The composer plugin for Yii extension installer",
@@ -413,7 +344,7 @@
                 "extension installer",
                 "yii2"
             ],
-            "time": "2016-12-20T13:26:02+00:00"
+            "time": "2018-07-05T15:44:47+00:00"
         }
     ],
     "packages-dev": [
@@ -473,37 +404,40 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.6.1",
+            "version": "1.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "8e6e04167378abf1ddb4d3522d8755c5fd90d102"
+                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/8e6e04167378abf1ddb4d3522d8755c5fd90d102",
-                "reference": "8e6e04167378abf1ddb4d3522d8755c5fd90d102",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
+                "reference": "3b8a3a99ba1f6a3952ac2747d989303cbd6b7a3e",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4.0"
+                "php": "^5.6 || ^7.0"
             },
             "require-dev": {
-                "doctrine/collections": "1.*",
-                "phpunit/phpunit": "~4.1"
+                "doctrine/collections": "^1.0",
+                "doctrine/common": "^2.6",
+                "phpunit/phpunit": "^4.1"
             },
             "type": "library",
             "autoload": {
                 "psr-4": {
                     "DeepCopy\\": "src/DeepCopy/"
-                }
+                },
+                "files": [
+                    "src/DeepCopy/deep_copy.php"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
             "description": "Create deep copies (clones) of your objects",
-            "homepage": "https://github.com/myclabs/DeepCopy",
             "keywords": [
                 "clone",
                 "copy",
@@ -511,20 +445,20 @@
                 "object",
                 "object graph"
             ],
-            "time": "2017-04-12T18:52:22+00:00"
+            "time": "2017-10-19T19:58:43+00:00"
         },
         {
             "name": "phpdocumentor/reflection-common",
-            "version": "1.0",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionCommon.git",
-                "reference": "144c307535e82c8fdcaacbcfc1d6d8eeb896687c"
+                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/144c307535e82c8fdcaacbcfc1d6d8eeb896687c",
-                "reference": "144c307535e82c8fdcaacbcfc1d6d8eeb896687c",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionCommon/zipball/21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
+                "reference": "21bdeb5f65d7ebf9f43b1b25d404f87deab5bfb6",
                 "shasum": ""
             },
             "require": {
@@ -565,26 +499,26 @@
                 "reflection",
                 "static analysis"
             ],
-            "time": "2015-12-27T11:43:31+00:00"
+            "time": "2017-09-11T18:02:19+00:00"
         },
         {
             "name": "phpdocumentor/reflection-docblock",
-            "version": "3.1.1",
+            "version": "3.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/ReflectionDocBlock.git",
-                "reference": "8331b5efe816ae05461b7ca1e721c01b46bafb3e"
+                "reference": "bf329f6c1aadea3299f08ee804682b7c45b326a2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/8331b5efe816ae05461b7ca1e721c01b46bafb3e",
-                "reference": "8331b5efe816ae05461b7ca1e721c01b46bafb3e",
+                "url": "https://api.github.com/repos/phpDocumentor/ReflectionDocBlock/zipball/bf329f6c1aadea3299f08ee804682b7c45b326a2",
+                "reference": "bf329f6c1aadea3299f08ee804682b7c45b326a2",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5",
-                "phpdocumentor/reflection-common": "^1.0@dev",
-                "phpdocumentor/type-resolver": "^0.2.0",
+                "php": "^5.6 || ^7.0",
+                "phpdocumentor/reflection-common": "^1.0.0",
+                "phpdocumentor/type-resolver": "^0.4.0",
                 "webmozart/assert": "^1.0"
             },
             "require-dev": {
@@ -610,24 +544,24 @@
                 }
             ],
             "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
-            "time": "2016-09-30T07:12:33+00:00"
+            "time": "2017-11-10T14:09:06+00:00"
         },
         {
             "name": "phpdocumentor/type-resolver",
-            "version": "0.2.1",
+            "version": "0.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpDocumentor/TypeResolver.git",
-                "reference": "e224fb2ea2fba6d3ad6fdaef91cd09a172155ccb"
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/e224fb2ea2fba6d3ad6fdaef91cd09a172155ccb",
-                "reference": "e224fb2ea2fba6d3ad6fdaef91cd09a172155ccb",
+                "url": "https://api.github.com/repos/phpDocumentor/TypeResolver/zipball/9c977708995954784726e25d0cd1dddf4e65b0f7",
+                "reference": "9c977708995954784726e25d0cd1dddf4e65b0f7",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5",
+                "php": "^5.5 || ^7.0",
                 "phpdocumentor/reflection-common": "^1.0"
             },
             "require-dev": {
@@ -657,37 +591,37 @@
                     "email": "me@mikevanriel.com"
                 }
             ],
-            "time": "2016-11-25T06:54:22+00:00"
+            "time": "2017-07-14T14:27:02+00:00"
         },
         {
             "name": "phpspec/prophecy",
-            "version": "v1.7.0",
+            "version": "1.8.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073"
+                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/93d39f1f7f9326d746203c7c056f300f7f126073",
-                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
+                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
-                "sebastian/comparator": "^1.1|^2.0",
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
+                "sebastian/comparator": "^1.1|^2.0|^3.0",
                 "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
             "require-dev": {
                 "phpspec/phpspec": "^2.5|^3.2",
-                "phpunit/phpunit": "^4.8 || ^5.6.5"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5 || ^7.1"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6.x-dev"
+                    "dev-master": "1.8.x-dev"
                 }
             },
             "autoload": {
@@ -720,7 +654,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2017-03-02T20:05:34+00:00"
+            "time": "2018-08-05T17:53:17+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -787,16 +721,16 @@
         },
         {
             "name": "phpunit/php-file-iterator",
-            "version": "1.4.2",
+            "version": "1.4.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-file-iterator.git",
-                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5"
+                "reference": "730b01bc3e867237eaac355e06a36b85dd93a8b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
-                "reference": "3cc8f69b3028d0f96a9078e6295d86e9bf019be5",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-file-iterator/zipball/730b01bc3e867237eaac355e06a36b85dd93a8b4",
+                "reference": "730b01bc3e867237eaac355e06a36b85dd93a8b4",
                 "shasum": ""
             },
             "require": {
@@ -830,7 +764,7 @@
                 "filesystem",
                 "iterator"
             ],
-            "time": "2016-10-03T07:40:28+00:00"
+            "time": "2017-11-27T13:52:08+00:00"
         },
         {
             "name": "phpunit/php-text-template",
@@ -924,16 +858,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "1.4.11",
+            "version": "1.4.12",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7"
+                "reference": "1ce90ba27c42e4e44e6d8458241466380b51fa16"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/e03f8f67534427a787e21a385a67ec3ca6978ea7",
-                "reference": "e03f8f67534427a787e21a385a67ec3ca6978ea7",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/1ce90ba27c42e4e44e6d8458241466380b51fa16",
+                "reference": "1ce90ba27c42e4e44e6d8458241466380b51fa16",
                 "shasum": ""
             },
             "require": {
@@ -969,20 +903,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2017-02-27T10:12:30+00:00"
+            "time": "2017-12-04T08:55:13+00:00"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "5.7.19",
+            "version": "5.7.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "69c4f49ff376af2692bad9cebd883d17ebaa98a1"
+                "reference": "b7803aeca3ccb99ad0a506fa80b64cd6a56bbc0c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/69c4f49ff376af2692bad9cebd883d17ebaa98a1",
-                "reference": "69c4f49ff376af2692bad9cebd883d17ebaa98a1",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/b7803aeca3ccb99ad0a506fa80b64cd6a56bbc0c",
+                "reference": "b7803aeca3ccb99ad0a506fa80b64cd6a56bbc0c",
                 "shasum": ""
             },
             "require": {
@@ -1000,14 +934,14 @@
                 "phpunit/php-timer": "^1.0.6",
                 "phpunit/phpunit-mock-objects": "^3.2",
                 "sebastian/comparator": "^1.2.4",
-                "sebastian/diff": "~1.2",
+                "sebastian/diff": "^1.4.3",
                 "sebastian/environment": "^1.3.4 || ^2.0",
                 "sebastian/exporter": "~2.0",
                 "sebastian/global-state": "^1.1",
                 "sebastian/object-enumerator": "~2.0",
                 "sebastian/resource-operations": "~1.0",
-                "sebastian/version": "~1.0.3|~2.0",
-                "symfony/yaml": "~2.1|~3.0"
+                "sebastian/version": "^1.0.6|^2.0.1",
+                "symfony/yaml": "~2.1|~3.0|~4.0"
             },
             "conflict": {
                 "phpdocumentor/reflection-docblock": "3.0.2"
@@ -1051,20 +985,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-04-03T02:22:27+00:00"
+            "time": "2018-02-01T05:50:59+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "3.4.3",
+            "version": "3.4.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24"
+                "reference": "a23b761686d50a560cc56233b9ecf49597cc9118"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
-                "reference": "3ab72b65b39b491e0c011e2e09bb2206c2aa8e24",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/a23b761686d50a560cc56233b9ecf49597cc9118",
+                "reference": "a23b761686d50a560cc56233b9ecf49597cc9118",
                 "shasum": ""
             },
             "require": {
@@ -1110,7 +1044,7 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2016-12-08T20:27:08+00:00"
+            "time": "2017-06-30T09:13:00+00:00"
         },
         {
             "name": "sebastian/code-unit-reverse-lookup",
@@ -1223,23 +1157,23 @@
         },
         {
             "name": "sebastian/diff",
-            "version": "1.4.1",
+            "version": "1.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
-                "reference": "13edfd8706462032c2f52b4b862974dd46b71c9e"
+                "reference": "7f066a26a962dbe58ddea9f72a4e82874a3975a4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/13edfd8706462032c2f52b4b862974dd46b71c9e",
-                "reference": "13edfd8706462032c2f52b4b862974dd46b71c9e",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/7f066a26a962dbe58ddea9f72a4e82874a3975a4",
+                "reference": "7f066a26a962dbe58ddea9f72a4e82874a3975a4",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
             },
             "type": "library",
             "extra": {
@@ -1271,7 +1205,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08T07:14:41+00:00"
+            "time": "2017-05-22T07:24:03+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -1625,25 +1559,87 @@
             "homepage": "https://github.com/sebastianbergmann/version",
             "time": "2016-10-03T07:35:21+00:00"
         },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/e3d826245268269cd66f8326bd8bc066687b4a19",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2018-08-06T14:22:27+00:00"
+        },
         {
             "name": "symfony/yaml",
-            "version": "v3.2.8",
+            "version": "v3.4.14",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "acec26fcf7f3031e094e910b94b002fa53d4e4d6"
+                "reference": "810af2d35fc72b6cf5c01116806d2b65ccaaf2e2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/acec26fcf7f3031e094e910b94b002fa53d4e4d6",
-                "reference": "acec26fcf7f3031e094e910b94b002fa53d4e4d6",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/810af2d35fc72b6cf5c01116806d2b65ccaaf2e2",
+                "reference": "810af2d35fc72b6cf5c01116806d2b65ccaaf2e2",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
             },
             "require-dev": {
-                "symfony/console": "~2.8|~3.0"
+                "symfony/console": "~3.4|~4.0"
             },
             "suggest": {
                 "symfony/console": "For validating YAML files using the lint command"
@@ -1651,7 +1647,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.2-dev"
+                    "dev-master": "3.4-dev"
                 }
             },
             "autoload": {
@@ -1678,20 +1674,20 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-05-01T14:55:58+00:00"
+            "time": "2018-07-26T11:19:56+00:00"
         },
         {
             "name": "webmozart/assert",
-            "version": "1.2.0",
+            "version": "1.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/webmozart/assert.git",
-                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f"
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/2db61e59ff05fe5126d152bd0655c9ea113e550f",
-                "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/0df1908962e7a3071564e857d86874dad1ef204a",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a",
                 "shasum": ""
             },
             "require": {
@@ -1728,7 +1724,7 @@
                 "check",
                 "validate"
             ],
-            "time": "2016-11-23T20:04:58+00:00"
+            "time": "2018-01-29T19:49:41+00:00"
         }
     ],
     "aliases": [],
@@ -1736,6 +1732,11 @@
     "stability-flags": [],
     "prefer-stable": true,
     "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": []
+    "platform": {
+        "php": ">=5.6.0"
+    },
+    "platform-dev": [],
+    "platform-overrides": {
+        "php": "5.6"
+    }
 }
diff --git a/src/BaseLoader.php b/src/BaseLoader.php
index 49439f3..837960c 100644
--- a/src/BaseLoader.php
+++ b/src/BaseLoader.php
@@ -2,9 +2,9 @@
 
 namespace skiptirengu\mssql;
 
-use yii\base\Object;
+use yii\base\BaseObject;
 
-abstract class BaseLoader extends Object
+abstract class BaseLoader extends BaseObject
 {
     /**
      * @var bool