diff --git a/package-lock.json b/package-lock.json
index 35af8eec..e60292c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-protoc-gen",
-  "version": "0.11.1-pre",
+  "version": "0.12.0",
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+        "ini": "^1.3.4",
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+        "lowercase-keys": "^1.0.0",
+        "p-cancelable": "^0.3.0",
+        "p-timeout": "^1.1.1",
+        "safe-buffer": "^5.0.1",
+        "timed-out": "^4.0.0",
+        "url-parse-lax": "^1.0.0",
+        "url-to-options": "^1.0.1"
       }
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     "graceful-fs": {
@@ -802,11 +802,11 @@
       "integrity": "sha512-gaK59oAA5/mlOIn+hQO5JROPoAzsaGRpEMcrAayW5WGETS8QScpBoQ+XBxEWAAF0kbeGIELuGRCVEObKS1SLmw==",
       "dev": true,
       "requires": {
-        "lodash.camelcase": "4.3.0",
-        "lodash.clone": "4.5.0",
-        "nan": "2.14.0",
-        "node-pre-gyp": "0.13.0",
-        "protobufjs": "5.0.3"
+        "lodash.camelcase": "^4.3.0",
+        "lodash.clone": "^4.5.0",
+        "nan": "^2.13.2",
+        "node-pre-gyp": "^0.13.0",
+        "protobufjs": "^5.0.3"
       },
       "dependencies": {
         "abbrev": {
@@ -829,8 +829,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.6"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
           }
         },
         "balanced-match": {
@@ -843,7 +843,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
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@@ -864,9 +864,9 @@
           "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wrap-ansi": "^2.0.0"
           }
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         "code-point-at": {
@@ -909,7 +909,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minipass": "2.3.5"
+            "minipass": "^2.2.1"
           }
         },
         "fs.realpath": {
@@ -922,14 +922,14 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "aproba": "1.2.0",
-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.1",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.3"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wide-align": "^1.1.0"
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@@ -942,7 +942,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "safer-buffer": "2.1.2"
+            "safer-buffer": ">= 2.1.2 < 3"
           }
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         "ignore-walk": {
@@ -950,7 +950,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minimatch": "3.0.4"
+            "minimatch": "^3.0.4"
           }
         },
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@@ -958,8 +958,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
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@@ -977,7 +977,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
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         "isarray": {
@@ -990,7 +990,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "1.1.11"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
@@ -1003,8 +1003,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "safe-buffer": "5.1.2",
-            "yallist": "3.0.3"
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.0"
           }
         },
         "minizlib": {
@@ -1012,7 +1012,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minipass": "2.3.5"
+            "minipass": "^2.2.1"
           }
         },
         "mkdirp": {
@@ -1035,9 +1035,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "debug": "3.2.6",
-            "iconv-lite": "0.4.23",
-            "sax": "1.2.4"
+            "debug": "^3.2.6",
+            "iconv-lite": "^0.4.4",
+            "sax": "^1.2.4"
           },
           "dependencies": {
             "debug": {
@@ -1045,7 +1045,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "ms": "2.1.2"
+                "ms": "^2.1.1"
               }
             },
             "ms": {
@@ -1060,16 +1060,16 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "detect-libc": "1.0.3",
-            "mkdirp": "0.5.1",
-            "needle": "2.4.0",
-            "nopt": "4.0.1",
-            "npm-packlist": "1.4.1",
-            "npmlog": "4.1.2",
-            "rc": "1.2.8",
-            "rimraf": "2.6.3",
-            "semver": "5.7.0",
-            "tar": "4.4.10"
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.1",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.2.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4"
           }
         },
         "nopt": {
@@ -1077,8 +1077,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
         "npm-bundled": {
@@ -1091,8 +1091,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ignore-walk": "3.0.1",
-            "npm-bundled": "1.0.6"
+            "ignore-walk": "^3.0.1",
+            "npm-bundled": "^1.0.1"
           }
         },
         "npmlog": {
@@ -1100,10 +1100,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "are-we-there-yet": "1.1.5",
-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
           }
         },
         "number-is-nan": {
@@ -1121,7 +1121,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "os-homedir": {
@@ -1135,7 +1135,7 @@
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "dev": true,
           "requires": {
-            "lcid": "1.0.0"
+            "lcid": "^1.0.0"
           }
         },
         "os-tmpdir": {
@@ -1148,8 +1148,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
+            "os-tmpdir": "^1.0.0"
           }
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         "path-is-absolute": {
@@ -1168,10 +1168,10 @@
           "integrity": "sha512-55Kcx1MhPZX0zTbVosMQEO5R6/rikNXd9b6RQK4KSPcrSIIwoXTtebIczUrXlwaSrbz4x8XUVThGPob1n8I4QA==",
           "dev": true,
           "requires": {
-            "ascli": "1.0.1",
-            "bytebuffer": "5.0.1",
-            "glob": "7.1.4",
-            "yargs": "3.32.0"
+            "ascli": "~1",
+            "bytebuffer": "~5",
+            "glob": "^7.0.5",
+            "yargs": "^3.10.0"
           }
         },
         "rc": {
@@ -1179,10 +1179,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "deep-extend": "0.6.0",
-            "ini": "1.3.5",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "^0.6.0",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
+            "strip-json-comments": "~2.0.1"
           }
         },
         "readable-stream": {
@@ -1190,13 +1190,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.1",
-            "safe-buffer": "5.1.2",
-            "string_decoder": "1.1.1",
-            "util-deprecate": "1.0.2"
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
           }
         },
         "rimraf": {
@@ -1204,7 +1204,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob": "7.1.4"
+            "glob": "^7.1.3"
           },
           "dependencies": {
             "glob": {
@@ -1212,12 +1212,12 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "fs.realpath": "1.0.0",
-                "inflight": "1.0.6",
-                "inherits": "2.0.3",
-                "minimatch": "3.0.4",
-                "once": "1.4.0",
-                "path-is-absolute": "1.0.1"
+                "fs.realpath": "^1.0.0",
+                "inflight": "^1.0.4",
+                "inherits": "2",
+                "minimatch": "^3.0.4",
+                "once": "^1.3.0",
+                "path-is-absolute": "^1.0.0"
               }
             }
           }
@@ -1257,9 +1257,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         },
         "string_decoder": {
@@ -1267,7 +1267,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "safe-buffer": "5.1.2"
+            "safe-buffer": "~5.1.0"
           }
         },
         "strip-ansi": {
@@ -1275,7 +1275,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "strip-json-comments": {
@@ -1288,13 +1288,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "chownr": "1.1.1",
-            "fs-minipass": "1.2.6",
-            "minipass": "2.3.5",
-            "minizlib": "1.2.1",
-            "mkdirp": "0.5.1",
-            "safe-buffer": "5.1.2",
-            "yallist": "3.0.3"
+            "chownr": "^1.1.1",
+            "fs-minipass": "^1.2.5",
+            "minipass": "^2.3.5",
+            "minizlib": "^1.2.1",
+            "mkdirp": "^0.5.0",
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.3"
           }
         },
         "util-deprecate": {
@@ -1307,7 +1307,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "string-width": "1.0.2"
+            "string-width": "^1.0.2 || 2"
           }
         },
         "wrappy": {
@@ -1326,13 +1326,13 @@
           "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
           "dev": true,
           "requires": {
-            "camelcase": "2.1.1",
-            "cliui": "3.2.0",
-            "decamelize": "1.2.0",
-            "os-locale": "1.4.0",
-            "string-width": "1.0.2",
-            "window-size": "0.1.4",
-            "y18n": "3.2.1"
+            "camelcase": "^2.0.1",
+            "cliui": "^3.0.3",
+            "decamelize": "^1.1.1",
+            "os-locale": "^1.4.0",
+            "string-width": "^1.0.1",
+            "window-size": "^0.1.4",
+            "y18n": "^3.2.0"
           }
         }
       }
@@ -1343,7 +1343,7 @@
       "integrity": "sha512-GzYHjPQ/sbV/DmnNRksapMlLj26Tvq2Qppmzjmd+lHYZNeWM1feiGsYCduzJLyy295P+3uYIPy2/w/1thAnOow==",
       "dev": true,
       "requires": {
-        "node-pre-gyp": "0.12.0"
+        "node-pre-gyp": "^0.12.0"
       },
       "dependencies": {
         "abbrev": {
@@ -1366,8 +1366,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.6"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
           }
         },
         "balanced-match": {
@@ -1380,7 +1380,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
         },
@@ -1437,7 +1437,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minipass": "2.3.5"
+            "minipass": "^2.2.1"
           }
         },
         "fs.realpath": {
@@ -1450,14 +1450,14 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "aproba": "1.2.0",
-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.2",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.3"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wide-align": "^1.1.0"
           }
         },
         "glob": {
@@ -1465,12 +1465,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
         "has-unicode": {
@@ -1483,7 +1483,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "safer-buffer": "2.1.2"
+            "safer-buffer": ">= 2.1.2 < 3"
           }
         },
         "ignore-walk": {
@@ -1491,7 +1491,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minimatch": "3.0.4"
+            "minimatch": "^3.0.4"
           }
         },
         "inflight": {
@@ -1499,8 +1499,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
         },
         "inherits": {
@@ -1518,7 +1518,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "isarray": {
@@ -1531,7 +1531,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "1.1.11"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
@@ -1544,8 +1544,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "safe-buffer": "5.1.2",
-            "yallist": "3.0.3"
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.0"
           }
         },
         "minizlib": {
@@ -1553,7 +1553,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "minipass": "2.3.5"
+            "minipass": "^2.2.1"
           }
         },
         "mkdirp": {
@@ -1574,9 +1574,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "debug": "2.6.9",
-            "iconv-lite": "0.4.24",
-            "sax": "1.2.4"
+            "debug": "^2.1.2",
+            "iconv-lite": "^0.4.4",
+            "sax": "^1.2.4"
           }
         },
         "node-pre-gyp": {
@@ -1584,16 +1584,16 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "detect-libc": "1.0.3",
-            "mkdirp": "0.5.1",
-            "needle": "2.2.4",
-            "nopt": "4.0.1",
-            "npm-packlist": "1.4.1",
-            "npmlog": "4.1.2",
-            "rc": "1.2.8",
-            "rimraf": "2.6.3",
-            "semver": "5.6.0",
-            "tar": "4.4.8"
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.1",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.2.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4"
           }
         },
         "nopt": {
@@ -1601,8 +1601,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
         "npm-bundled": {
@@ -1615,8 +1615,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ignore-walk": "3.0.1",
-            "npm-bundled": "1.0.6"
+            "ignore-walk": "^3.0.1",
+            "npm-bundled": "^1.0.1"
           }
         },
         "npmlog": {
@@ -1624,10 +1624,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "are-we-there-yet": "1.1.5",
-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
           }
         },
         "number-is-nan": {
@@ -1645,7 +1645,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "os-homedir": {
@@ -1663,8 +1663,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
+            "os-tmpdir": "^1.0.0"
           }
         },
         "path-is-absolute": {
@@ -1682,10 +1682,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
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-            "ini": "1.3.5",
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@@ -1915,8 +1915,8 @@
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@@ -1988,7 +1988,7 @@
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-        "esprima": "4.0.0"
+        "argparse": "^1.0.7",
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@@ -2068,7 +2068,7 @@
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@@ -2077,10 +2077,10 @@
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-        "pify": "3.0.0",
-        "strip-bom": "3.0.0"
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+        "pify": "^3.0.0",
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+        "pify": "^3.0.0"
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@@ -2174,8 +2174,8 @@
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+            "path-exists": "^2.0.0",
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@@ -2184,11 +2184,11 @@
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-            "pify": "2.3.0",
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-            "strip-bom": "2.0.0"
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+            "parse-json": "^2.2.0",
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@@ -2197,7 +2197,7 @@
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@@ -2206,7 +2206,7 @@
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@@ -2215,9 +2215,9 @@
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-            "pify": "2.3.0",
-            "pinkie-promise": "2.0.1"
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@@ -2232,9 +2232,9 @@
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-            "path-type": "1.1.0"
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@@ -2243,8 +2243,8 @@
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-            "read-pkg": "1.1.0"
+            "find-up": "^1.0.0",
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@@ -2253,7 +2253,7 @@
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@@ -2276,7 +2276,7 @@
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@@ -2333,12 +2333,12 @@
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-            "inherits": "2.0.3",
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-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
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@@ -2349,8 +2349,8 @@
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-        "mocha": "5.2.0",
-        "moment": "2.22.1"
+        "mocha": "^5.0.2",
+        "moment": "^2.21.0"
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@@ -2386,12 +2386,12 @@
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-            "once": "1.4.0",
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+            "fs.realpath": "^1.0.0",
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@@ -2431,7 +2431,7 @@
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+            "has-flag": "^3.0.0"
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@@ -2466,10 +2466,10 @@
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-        "resolve": "1.12.0",
-        "semver": "5.5.0",
-        "validate-npm-package-license": "3.0.4"
+        "hosted-git-info": "^2.1.4",
+        "resolve": "^1.10.0",
+        "semver": "2 || 3 || 4 || 5",
+        "validate-npm-package-license": "^3.0.1"
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@@ -2484,7 +2484,7 @@
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@@ -2495,8 +2495,8 @@
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-        "pify": "3.0.0"
+        "config-chain": "^1.1.11",
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@@ -2505,15 +2505,15 @@
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-        "read-pkg": "3.0.0",
-        "shell-quote": "1.7.1",
-        "string.prototype.padend": "3.0.0"
+        "ansi-styles": "^3.2.1",
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+        "memorystream": "^0.3.1",
+        "minimatch": "^3.0.4",
+        "pidtree": "^0.3.0",
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-            "path-key": "2.0.1",
-            "semver": "5.5.0",
-            "shebang-command": "1.2.0",
-            "which": "1.3.1"
+            "nice-try": "^1.0.4",
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+            "semver": "^5.5.0",
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@@ -2555,7 +2555,7 @@
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       "dev": true,
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+        "wrappy": "1"
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@@ -2576,7 +2576,7 @@
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@@ -2591,7 +2591,7 @@
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+        "p-finally": "^1.0.0"
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@@ -2600,8 +2600,8 @@
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+        "error-ex": "^1.3.1",
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+        "buffer-crc32": "~0.2.3",
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