diff --git a/Pipfile.lock b/Pipfile.lock
index a42b983..dd878fc 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -16,10 +16,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:4c1d68a1408dd090d2f3a869aa94c3947cc1d967821d1ed303208c9f41f0f2f4",
-                "sha256:b6e8b28b2b7e771a41ecdd12d4d43262ecab52adebbafa42c77d6b57fb6ad3a4"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2018.8.13"
+            "version": "==2019.11.28"
         },
         "chardet": {
             "hashes": [
@@ -30,11 +30,11 @@
         },
         "django": {
             "hashes": [
-                "sha256:7f246078d5a546f63c28fc03ce71f4d7a23677ce42109219c24c9ffb28416137",
-                "sha256:ea50d85709708621d956187c6b61d9f9ce155007b496dd914fdb35db8d790aec"
+                "sha256:1a41831eace203fd1939edf899e07d7abd12ce9bafc3d9a5a63a24a8d1d12bd5",
+                "sha256:305b6c4fce9e03bb746e35780c2c4d52f29ea1669f15633cfd41bc8821c74c76"
             ],
             "index": "pypi",
-            "version": "==2.1"
+            "version": "==2.1.11"
         },
         "django-admin-sortable2": {
             "hashes": [
@@ -122,9 +122,9 @@
         },
         "future": {
             "hashes": [
-                "sha256:e39ced1ab767b5936646cedba8bcce582398233d6a627067d4c6a454c90cfedb"
+                "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"
             ],
-            "version": "==0.16.0"
+            "version": "==0.18.2"
         },
         "idna": {
             "hashes": [
@@ -231,19 +231,10 @@
                 "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
                 "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
             ],
-            "markers": "python_version != '3.0.*' and python_version != '3.3.*' and python_version >= '2.6' and python_version < '4' and python_version != '3.1.*' and python_version != '3.2.*'",
             "version": "==1.23"
         }
     },
     "develop": {
-        "appnope": {
-            "hashes": [
-                "sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0",
-                "sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
-            ],
-            "markers": "sys_platform == 'darwin'",
-            "version": "==0.1.0"
-        },
         "backcall": {
             "hashes": [
                 "sha256:38ecd85be2c1e78f77fd91700c76e14667dc21e2713b63876c0eb901196e01e4",
@@ -260,10 +251,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:4c1d68a1408dd090d2f3a869aa94c3947cc1d967821d1ed303208c9f41f0f2f4",
-                "sha256:b6e8b28b2b7e771a41ecdd12d4d43262ecab52adebbafa42c77d6b57fb6ad3a4"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2018.8.13"
+            "version": "==2019.11.28"
         },
         "chardet": {
             "hashes": [
@@ -276,6 +267,7 @@
             "hashes": [
                 "sha256:03481e81d558d30d230bc12999e3edffe392d244349a90f4ef9b88425fac74ba",
                 "sha256:0b136648de27201056c1869a6c0d4e23f464750fd9a9ba9750b8336a244429ed",
+                "sha256:0bf8cbbd71adfff0ef1f3a1531e6402d13b7b01ac50a79c97ca15f030dba6306",
                 "sha256:10a46017fef60e16694a30627319f38a2b9b52e90182dddb6e37dcdab0f4bf95",
                 "sha256:198626739a79b09fa0a2f06e083ffd12eb55449b5f8bfdbeed1df4910b2ca640",
                 "sha256:23d341cdd4a0371820eb2b0bd6b88f5003a7438bbedb33688cd33b8eae59affd",
@@ -304,6 +296,7 @@
                 "sha256:c1bb572fab8208c400adaf06a8133ac0712179a334c09224fb11393e920abcdd",
                 "sha256:de4418dadaa1c01d497e539210cb6baa015965526ff5afc078c57ca69160108d",
                 "sha256:e05cb4d9aad6233d67e0541caa7e511fa4047ed7750ec2510d466e806e0255d6",
+                "sha256:f05a636b4564104120111800021a92e43397bc12a5c72fed7036be8556e0029e",
                 "sha256:f3f501f345f24383c0000395b26b726e46758b71393267aeae0bd36f8b3ade80"
             ],
             "index": "pypi",
@@ -311,10 +304,10 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:54c38050039232e1db4ad7375cfce6748d7b41c29e95a081c8a6d2c30364a2ce",
+                "sha256:5d19b92a3c8f7f101c8dd86afd86b0f061a8ce4540ab8cd401fa2542756bce6d"
             ],
-            "version": "==4.3.0"
+            "version": "==4.4.1"
         },
         "dj-database-url": {
             "hashes": [
@@ -371,23 +364,50 @@
         },
         "jedi": {
             "hashes": [
-                "sha256:b409ed0f6913a701ed474a614a3bb46e6953639033e31f769ca7581da5bd1ec1",
-                "sha256:c254b135fb39ad76e78d4d8f92765ebc9bf92cbc76f49e97ade1d5f5121e1f6f"
+                "sha256:786b6c3d80e2f06fd77162a07fed81b8baa22dde5d62896a790a331d6ac21a27",
+                "sha256:ba859c74fa3c966a22f2aeebe1b74ee27e2a462f56d3f5f7ca4a59af61bfe42e"
             ],
-            "version": "==0.12.1"
+            "version": "==0.15.1"
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:74320bb91f31270f9551d46522e33af46a80c3d619f4a4bf42b3164d30b5911f",
+                "sha256:9fe95f19286cfefaa917656583d020be14e7859c6b0252588391e47db34527de"
             ],
-            "version": "==2.10"
+            "version": "==2.10.3"
         },
         "markupsafe": {
             "hashes": [
-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
-            ],
-            "version": "==1.0"
+                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
+                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
+                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
+                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
+                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
+                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
+                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
+                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
+                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
+                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
+                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
+                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
+                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
+                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
+                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
+                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
+                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
+                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
+                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
+                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
+                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
+                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
+                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"
+            ],
+            "version": "==1.1.1"
         },
         "mccabe": {
             "hashes": [
@@ -414,47 +434,47 @@
         },
         "parso": {
             "hashes": [
-                "sha256:35704a43a3c113cce4de228ddb39aab374b8004f4f2407d070b6a2ca784ce8a2",
-                "sha256:895c63e93b94ac1e1690f5fdd40b65f07c8171e3e53cbd7793b5b96c0e0a7f24"
+                "sha256:63854233e1fadb5da97f2744b6b24346d2750b85965e7e399bec1620232797dc",
+                "sha256:666b0ee4a7a1220f65d367617f2cd3ffddff3e205f3f16a0284df30e774c2a9c"
             ],
-            "version": "==0.3.1"
+            "version": "==0.5.1"
         },
         "pbr": {
             "hashes": [
-                "sha256:1b8be50d938c9bb75d0eaf7eda111eec1bf6dc88a62a6412e33bf077457e0f45",
-                "sha256:b486975c0cafb6beeb50ca0e17ba047647f229087bd74e37f4a7e2cac17d2caa"
+                "sha256:139d2625547dbfa5fb0b81daebb39601c478c21956dc57e2e07b74450a8c506b",
+                "sha256:61aa52a0f18b71c5cc58232d2cf8f8d09cd67fcad60b742a60124cb8d6951488"
             ],
-            "version": "==4.2.0"
+            "version": "==5.4.4"
         },
         "pexpect": {
             "hashes": [
-                "sha256:2a8e88259839571d1251d278476f3eec5db26deb73a70be5ed5dc5435e418aba",
-                "sha256:3fbd41d4caf27fa4a377bfd16fef87271099463e6fa73e92a52f92dfee5d425b"
+                "sha256:2094eefdfcf37a1fdbfb9aa090862c1a4878e5c7e0e7e7088bdb511c558e5cd1",
+                "sha256:9e2c1fd0e6ee3a49b28f95d4b33bc389c89b20af6a1255906e90ff1262ce62eb"
             ],
             "markers": "sys_platform != 'win32'",
-            "version": "==4.6.0"
+            "version": "==4.7.0"
         },
         "pickleshare": {
             "hashes": [
-                "sha256:84a9257227dfdd6fe1b4be1319096c20eb85ff1e82c7932f36efccfe1b09737b",
-                "sha256:c9a2541f25aeabc070f12f452e1f2a8eae2abd51e1cd19e8430402bdf4c1d8b5"
+                "sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca",
+                "sha256:9649af414d74d4df115d5d718f82acb59c9d418196b7b4290ed47a12ce62df56"
             ],
-            "version": "==0.7.4"
+            "version": "==0.7.5"
         },
         "pkginfo": {
             "hashes": [
-                "sha256:5878d542a4b3f237e359926384f1dde4e099c9f5525d236b1840cf704fa8d474",
-                "sha256:a39076cb3eb34c333a0dd390b568e9e1e881c7bf2cc0aee12120636816f55aee"
+                "sha256:7424f2c8511c186cd5424bbf31045b77435b37a8d604990b79d4e70d741148bb",
+                "sha256:a6d9e40ca61ad3ebd0b72fbadd4fba16e4c0e4df0428c041e01e06eb6ee71f32"
             ],
-            "version": "==1.4.2"
+            "version": "==1.5.0.1"
         },
         "prompt-toolkit": {
             "hashes": [
-                "sha256:1df952620eccb399c53ebb359cc7d9a8d3a9538cb34c5a1344bdbeb29fbcc381",
-                "sha256:3f473ae040ddaa52b52f97f6b4a493cfa9f5920c255a12dc56a7d34397a398a4",
-                "sha256:858588f1983ca497f1cf4ffde01d978a3ea02b01c8a26a8bbc5cd2e66d816917"
+                "sha256:37925b37a4af1f6448c76b7606e0285f79f434ad246dda007a27411cca730c6d",
+                "sha256:dd4fca02c8069497ad931a2d09914c6b0d1b50151ce876bc15bde4c747090126",
+                "sha256:f7eec66105baf40eda9ab026cd8b2e251337eea8d111196695d82e0c5f0af852"
             ],
-            "version": "==1.0.15"
+            "version": "==1.0.18"
         },
         "ptyprocess": {
             "hashes": [
@@ -479,10 +499,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
-                "sha256:dbae1046def0efb574852fab9e90209b23f556367b5a320c0bcb871c77c3e8cc"
+                "sha256:2a3fe295e54a20164a9df49c75fa58526d3be48e14aceba6d6b1e8ac0bfd6f1b",
+                "sha256:98c8aa5a9f778fcd1026a17361ddaf7330d1b7c62ae97c3bb0ae73e0b9b6b0fe"
             ],
-            "version": "==2.2.0"
+            "version": "==2.5.2"
         },
         "python-dateutil": {
             "hashes": [
@@ -510,10 +530,10 @@
         },
         "requests-toolbelt": {
             "hashes": [
-                "sha256:42c9c170abc2cacb78b8ab23ac957945c7716249206f90874651971a4acff237",
-                "sha256:f6a531936c6fa4c6cfce1b9c10d5c4f498d16528d2a54a22ca00011205a187b5"
+                "sha256:380606e1d10dc85c3bd47bf5a6095f815ec007be7a8b69c878507068df059e6f",
+                "sha256:968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0"
             ],
-            "version": "==0.8.0"
+            "version": "==0.9.1"
         },
         "simplegeneric": {
             "hashes": [
@@ -539,18 +559,17 @@
         },
         "tqdm": {
             "hashes": [
-                "sha256:536e5a0205b6401d8aaf04b21469949c178dbe3642e3c76d3bb494a83cb22a10",
-                "sha256:60bbaa6700e87a250f6abcbbd7ddb33243ad592240ba46afce5305b15b406fad"
+                "sha256:156a0565f09d1f0ef8242932a0e1302462c93827a87ba7b4423d90f01befe94c",
+                "sha256:c0ffb55959ea5f3eaeece8d2db0651ba9ced9c72f40a6cce3419330256234289"
             ],
-            "markers": "python_version != '3.0.*' and python_version >= '2.6' and python_version != '3.1.*'",
-            "version": "==4.24.0"
+            "version": "==4.40.0"
         },
         "traitlets": {
             "hashes": [
-                "sha256:9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835",
-                "sha256:c6cb5e6f57c5a9bdaa40fa71ce7b4af30298fbab9ece9815b5d995ab6217c7d9"
+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
+                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
             ],
-            "version": "==4.3.2"
+            "version": "==4.3.3"
         },
         "twine": {
             "hashes": [
@@ -565,7 +584,6 @@
                 "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
                 "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
             ],
-            "markers": "python_version != '3.0.*' and python_version != '3.3.*' and python_version >= '2.6' and python_version < '4' and python_version != '3.1.*' and python_version != '3.2.*'",
             "version": "==1.23"
         },
         "wcwidth": {
@@ -577,17 +595,17 @@
         },
         "werkzeug": {
             "hashes": [
-                "sha256:c3fd7a7d41976d9f44db327260e263132466836cef6f91512889ed60ad26557c",
-                "sha256:d5da73735293558eb1651ee2fddc4d0dedcfa06538b8813a2e20011583c9e49b"
+                "sha256:7280924747b5733b246fe23972186c6b348f9ae29724135a6dfc1e53cea433e7",
+                "sha256:e5f4a1f98b52b18a93da705a7458e55afb26f32bff83ff5d19189f92462d65c4"
             ],
-            "version": "==0.14.1"
+            "version": "==0.16.0"
         },
         "xmltodict": {
             "hashes": [
-                "sha256:8f8d7d40aa28d83f4109a7e8aa86e67a4df202d9538be40c0cb1d70da527b0df",
-                "sha256:add07d92089ff611badec526912747cf87afd4f9447af6661aca074eeaf32615"
+                "sha256:50d8c638ed7ecb88d90561beedbf720c9b4e851a9fa6c47ebd64e99d166d8a21",
+                "sha256:8bbcb45cc982f48b2ca8fe7e7827c5d792f217ecf1792626f808bf41c3b86051"
             ],
-            "version": "==0.11.0"
+            "version": "==0.12.0"
         }
     }
 }