diff --git a/Pipfile b/Pipfile
index ef90c9f..ec696b6 100644
--- a/Pipfile
+++ b/Pipfile
@@ -12,7 +12,7 @@ name = "pypi"
 
 [packages]
 
-django = "*"
+django = ">=2.0,<2.1"
 "django-admin-sortable2" = "*"
 django-auth-ldap = "*"
 django-extensions = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 41aed22..0758048 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,20 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "05020f63c8c988b14b38b17f5efcaba4a64149355aa09af887eeae9339dafbff"
-        },
-        "host-environment-markers": {
-            "implementation_name": "cpython",
-            "implementation_version": "3.6.4",
-            "os_name": "posix",
-            "platform_machine": "x86_64",
-            "platform_python_implementation": "CPython",
-            "platform_release": "17.4.0",
-            "platform_system": "Darwin",
-            "platform_version": "Darwin Kernel Version 17.4.0: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64",
-            "python_full_version": "3.6.4",
-            "python_version": "3.6",
-            "sys_platform": "darwin"
+            "sha256": "73fe856a05a028431aef68c634961b4edb6092f1ea252581fb7a46674c65812b"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -29,124 +16,114 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:3d9916515599f757043c690ae2b5ea28666afa09779636351da505396cbb2f19",
-                "sha256:769f212ffd5762f72c764fa648fca3b7f7dd4ec27407198b68e7c4abf4609fd0"
+                "sha256:0c5b65847d00845ee404bbc0b4a85686f15eb3001ffddda3db4e9baa265bf136",
+                "sha256:68aeea369a8130259354b6ba1fa9babe0c5ee6bced505dea4afcd00f765ae38b"
             ],
-            "version": "==2.0.3"
+            "index": "pypi",
+            "version": "==2.0.8"
         },
         "django-admin-sortable2": {
             "hashes": [
-                "sha256:012c7789be0522e4aeeb265994badf51bd144fbd527cb637269e15ee1b3c57fc"
+                "sha256:efdac4efe65e5f3a13ab67d43a2b4691db75bb5c497b3fd3e83cac296d778e33"
             ],
-            "version": "==0.6.19"
+            "index": "pypi",
+            "version": "==0.6.21"
         },
         "django-auth-ldap": {
             "hashes": [
-                "sha256:e3445b2428e91fac7c44786ad884316e12b1b3f0ca038de8abd8e6011c4bdb87",
-                "sha256:71587d28e43d0292f825c6f9ba1257eb4acaa84f8453296e9979416629548f73"
+                "sha256:72848b3b036d299114be3c6ef38b12f83f6cf1cf1696c5f92e06fe45a1b8e27b",
+                "sha256:f96398ce957bb8aaaee2e9d93e3eaf9955ab95a6d342303b5519350eb834f5d1"
             ],
-            "version": "==1.3.0"
+            "index": "pypi",
+            "version": "==1.7.0"
         },
         "django-extensions": {
             "hashes": [
-                "sha256:37a543af370ee3b0721ff50442d33c357dd083e6ea06c5b94a199283b6f9e361",
-                "sha256:bc9f2946c117bb2f49e5e0633eba783787790ae810ea112fe7fd82fa64de2ff1"
+                "sha256:c3c8524056ab1174c6fc769b0599e60f7e7797ce34f38db2effc48885a0a982c",
+                "sha256:e279344c6d825adb27694755aa924702d3cc401f8fad5ad9ef2d577948778a5f"
             ],
-            "version": "==2.0.6"
+            "index": "pypi",
+            "version": "==2.1.0"
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:1f6baf40ed456ed2af6bd1a4ff8bbc3503cebea16509993aea2b7085bc097766",
-                "sha256:9f9e94e8d22b100ed3a43cee8c47a7ff7b185e778a1f2da9ec5c73fc4e081b87"
+                "sha256:b6714c3e4b0f8d524f193c91ecf5f5450092c2145439ac2769711f7eba89a9d9",
+                "sha256:c375e4f95a3a64fccac412e36fb42ba36881e52313ec021ef410b40f67cddca4"
             ],
-            "version": "==3.7.7"
+            "index": "pypi",
+            "version": "==3.8.2"
         },
         "gunicorn": {
             "hashes": [
-                "sha256:75af03c99389535f218cc596c7de74df4763803f7b63eb09d77e92b3956b36c6",
-                "sha256:eee1169f0ca667be05db3351a0960765620dad53f53434262ff8901b68a1b622"
+                "sha256:aa8e0b40b4157b36a5df5e599f45c9c76d6af43845ba3b3b0efe2c70473c2471",
+                "sha256:fa2662097c66f920f53f70621c6c58ca4a3c4d3434205e608e121b5b3b71f4f3"
             ],
-            "version": "==19.7.1"
+            "index": "pypi",
+            "version": "==19.9.0"
         },
         "mysqlclient": {
             "hashes": [
-                "sha256:b3b1a7e4468180afb79289b54069d9499242946a4cedf3928cbf6b2a13800016",
-                "sha256:d56e379c03efad746e84705cbb97401f60d1f98b05e11a27f2d9c2d043936974",
-                "sha256:371df79d000af56b4e540b7ce2120d1c9afb04b751bfce25a1eb609c50fd10ff",
-                "sha256:1e85e48b167e2af3bb08f273fdbd1ad6401cbe75057fa6513f97387dc7b282dc",
-                "sha256:2d9ec33de39f4d9c64ad7322ede0521d85829ce36a76f9dd3d6ab76a9c8648e5"
+                "sha256:ff8ee1be84215e6c30a746b728c41eb0701a46ca76e343af445b35ce6250644f"
             ],
-            "version": "==1.3.12"
+            "index": "pypi",
+            "version": "==1.3.13"
         },
         "pyasn1": {
             "hashes": [
-                "sha256:f81c96761fca60d64b1c9b79ec2e40cf9495a745cf570613079ef324aeb9672b",
-                "sha256:7d626683e3d792cccc608da02498aff37ab4f3dafd8905d6bf755d11f9b26b43",
-                "sha256:e85895087905c65b5b594eb91f7522664c85545b147d5f4d4e7b1b07da8dcbdc",
-                "sha256:5a0db897b311d265cde49615cf783f1c78613138605cdd0f907ecfa5b2aba3ee",
-                "sha256:d5cd6ed995dba16fad0c521cfe31cd2d68400b53fcc2bce93326829be73ab6d1",
-                "sha256:a7efe807c4b83a859e2735c692b92ed7b567cfddc4163763412920041d876c2b",
-                "sha256:b5a9ca48055b9a20f6d1b3d68e38692e5431c86a0f99ea602e61294e891fee5b",
-                "sha256:c07d6e587b2f928366b1f67c09bda026a3e6fcc99e80a744dc67f8fca3895626",
-                "sha256:d84c2aea3cf43780e9e6a19f4e4dddee9f6976519020e64e47c57e5c7a8c3dd2",
-                "sha256:758cb50abddc03e4563fd9e7f03db56e3e87b58c0bd01247360326e5c0c7ffa5",
-                "sha256:0d7f6e959fe53f3960a23d73f35e1fce61348b30915b6664309ca756de7c1f89",
-                "sha256:d258b0a71994f7770599835249cece1caef3c70def868c4915e6e5ca49b67d15"
+                "sha256:0ad0fe0593dde1e599cac0bf65bb1a4ec663032f0bc68ee44850db4251e8c501",
+                "sha256:13794d835643ee970b2c059dbfe4eb5d751e16c693c8baee61c526abd209e5c7",
+                "sha256:49a8ed515f26913049113820b462f698e6ed26df62c389dafb6fa3685ddca8de",
+                "sha256:74ac8521a0480f228549be20bea555ae35678f0e754c2fbc6f1576b0959bec43",
+                "sha256:89399ca8ecd4524f974e926d4ef9e7a787903e01f0a9cdff3131ad1361792fe5",
+                "sha256:8f291e0338d519a1a0d07f0b9d03c9265f6be26eb32fdd21af6d3259d14ea49c",
+                "sha256:b9d3abc5031e61927c82d4d96c1cec1e55676c1a991623cfed28faea73cdd7ca",
+                "sha256:d3bbd726c1a760d4ca596a4d450c380b81737612fe0182f5bb3caebc17461fd9",
+                "sha256:dea873d6c907c1cf1341fd88742a61efce33227d7743cb37564ab7d7e77dd9fd",
+                "sha256:ded5eea5cb88bc1ce9aa074b5a3092f95ce4741887e317e9b49c7ece75d7ea0e",
+                "sha256:e8b69ea2200d42201cbedd486eedb8980f320d4534f83ce2fb468e96aa5545d0",
+                "sha256:edad117649643230493aeb4955456ce19ab4b12e94489dde6f7094cdb5a3c87e",
+                "sha256:f58f2a3d12fd754aa123e9fa74fb7345333000a035f3921dbdaa08597aa53137"
             ],
-            "version": "==0.4.2"
+            "version": "==0.4.4"
         },
         "pyasn1-modules": {
             "hashes": [
-                "sha256:b1f395cae2d669e0830cb023aa86f9f283b7a9aa32317d7f80d8e78aa2745812",
-                "sha256:854700bbdd01394e2ada9c1bfbd0ed9f5d0c551350dbbd023e88b11d2771ae06",
-                "sha256:598a6004ec26a8ab40a39ea955068cf2a3949ad9c0030da970f2e1ca4c9f1cc9",
-                "sha256:f53fe5bcebdf318f51399b250fe8325ef3a26d927f012cc0c8e0f9e9af7f9deb",
-                "sha256:47fb6757ab78fe966e7c58b2030b546854f78416d653163f0ce9290cf2278e8b",
-                "sha256:041e9fbafac548d095f5b6c3b328b80792f006196e15a232b731a83c93d59493",
-                "sha256:0cea139045c38f84abaa803bcb4b5e8775ea12a42af10019d942f227acc426c3",
-                "sha256:0cdca76a68dcb701fff58c397de0ef9922b472b1cb3ea9695ca19d03f1869787",
-                "sha256:72fd8b0c11191da088147c6e4678ec53e573923ecf60b57eeac9e97433e09fc2",
-                "sha256:c6747146e95d2b14cc2a8399b2b0bde3f93778f8f9ec704690d2b589c376c137",
-                "sha256:0f2e50d20bc670be170966638fa0ae603f0bc9ed6ebe8e97a6d1d4cef30cc889",
-                "sha256:af00ea8f2022b6287dc375b2c70f31ab5af83989fc6fe9eacd4976ce26cd7ccc"
+                "sha256:077250b34432520430bc1c80dcbda4e354090785567c33ded35faa6df8d24753",
+                "sha256:0da2f947e8ad2697e86fe5fd0e55a4093a2fd79d839c9e19c34e28097db7002c",
+                "sha256:35ff894a0b5df8e28b700126b2869c7dcfb2b2db5bc82e5d5e82547069241553",
+                "sha256:44688b94841349648b1e1a5a7a3d96e6596d5d4f21d0b59a82307e153c4dc74b",
+                "sha256:833716dde880a7f2f2ccdeea9a096842626981ff2a477d8b318c0906367ac11b",
+                "sha256:a0cf3e1842e7c60fde97cb22d275eb6f9524f5c5250489e292529de841417547",
+                "sha256:a38a8811ea784c0136abfdba73963876328f66172db21a05a82f9515909bfb4e",
+                "sha256:a728bb9502d1fdc104c66f24a176b6a70a32e89d1d8a5b55c959233ed51c67be",
+                "sha256:c30a098435ea0989c37005a971843e9d3966c7f6d056ddbf052e5061c06e3291",
+                "sha256:c355a45b32c5bc1d9893eceb704b0cfcd1126f91b5a7b9ee64c1c05383283381",
+                "sha256:e64679de1940f41ead5170fce364d54e7b9e2e862f064727b6bcb5cee753b7a2",
+                "sha256:ed71d20225c356881c29f0b1d7a0d6521563a389d9478e8f95d798cc5ba07b88",
+                "sha256:f183f0940b9f5ed2ad9d04c80cab2451440fa9af4fc959d85113fadd2e777962"
             ],
-            "version": "==0.2.1"
+            "version": "==0.2.2"
         },
         "python-ldap": {
             "hashes": [
-                "sha256:86746b912a2cd37a54b06c694f021b0c8556d4caeab75ef50435ada152e2fbe1"
+                "sha256:41975e79406502c092732c57ef0c2c2eb318d91e8e765f81f5d4ab6c1db727c5"
             ],
-            "version": "==3.0.0"
+            "index": "pypi",
+            "version": "==3.1.0"
         },
         "pytz": {
             "hashes": [
-                "sha256:ed6509d9af298b7995d69a440e2822288f2eca1681b8cce37673dbb10091e5fe",
-                "sha256:f93ddcdd6342f94cea379c73cddb5724e0d6d0a1c91c9bdef364dc0368ba4fda",
-                "sha256:61242a9abc626379574a166dc0e96a66cd7c3b27fc10868003fa210be4bff1c9",
-                "sha256:ba18e6a243b3625513d85239b3e49055a2f0318466e0b8a92b8fb8ca7ccdf55f",
-                "sha256:07edfc3d4d2705a20a6e99d97f0c4b61c800b8232dc1c04d87e8554f130148dd",
-                "sha256:3a47ff71597f821cd84a162e71593004286e5be07a340fd462f0d33a760782b5",
-                "sha256:5bd55c744e6feaa4d599a6cbd8228b4f8f9ba96de2c38d56f08e534b3c9edf0d",
-                "sha256:887ab5e5b32e4d0c86efddd3d055c1f363cbaa583beb8da5e22d2fa2f64d51ef",
-                "sha256:410bcd1d6409026fbaa65d9ed33bf6dd8b1e94a499e32168acfc7b332e4095c0"
+                "sha256:a061aa0a9e06881eb8b3b2b43f05b9439d6583c206d0a6c340ff72a7b6669053",
+                "sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277"
             ],
-            "version": "==2018.3"
+            "version": "==2018.5"
         },
         "six": {
             "hashes": [
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb",
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9"
+                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
+                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
             ],
             "version": "==1.11.0"
-        },
-        "typing": {
-            "hashes": [
-                "sha256:b2c689d54e1144bbcfd191b0832980a21c2dbcf7b5ff7a66248a60c90e951eb8",
-                "sha256:3a887b021a77b292e151afb75323dea88a7bc1b3dfa92176cff8e44c8b68bddf",
-                "sha256:d400a9344254803a2368533e4533a4200d21eb7b6b729c173bc38201a74db3f2"
-            ],
-            "markers": "python_version < '3.5'",
-            "version": "==3.6.4"
         }
     },
     "develop": {
@@ -159,129 +136,118 @@
         },
         "bcrypt": {
             "hashes": [
-                "sha256:f9210820ee4818d84658ed7df16a7f30c9fba7d8b139959950acef91745cc0f7",
-                "sha256:b1e8491c6740f21b37cca77bc64677696a3fb9f32360794d57fa8477b7329eda",
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-                "sha256:0f317e4ffbdd15c3c0f8ab5fbd86aa9aabc7bea18b5cc5951b456fe39e9f738c",
-                "sha256:f7fd3ed3745fe6e81e28dc3b3d76cce31525a91f32a387e1febd6b982caf8cdb",
-                "sha256:3b4c23300c4eded8895442c003ae9b14328ae69309ac5867e7530de8bdd7875d",
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-                "sha256:988cac675e25133d01a78f2286189c1f01974470817a33eaf4cfee573cfb72a5",
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                 "sha256:01477981abf74e306e8ee31629a940a5e9138de000c6b0898f7f850461c4a0a5",
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                 "sha256:054d6e0acaea429e6da3613fcd12d05ee29a531794d96f6ab959f29a39f33391",
-                "sha256:67ed1a374c9155ec0840214ce804616de49c3df9c5bc66740687c1c9b1cd9e8d"
+                "sha256:0872eeecdf9a429c1420158500eedb323a132bc5bf3339475151c52414729e70",
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+                "sha256:0f317e4ffbdd15c3c0f8ab5fbd86aa9aabc7bea18b5cc5951b456fe39e9f738c",
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+                "sha256:321d4d48be25b8d77594d8324c0585c80ae91ac214f62db9098734e5e7fb280f",
+                "sha256:346d6f84ff0b493dbc90c6b77136df83e81f903f0b95525ee80e5e6d5e4eef84",
+                "sha256:34dd60b90b0f6de94a89e71fcd19913a30e83091c8468d0923a93a0cccbfbbff",
+                "sha256:3b4c23300c4eded8895442c003ae9b14328ae69309ac5867e7530de8bdd7875d",
+                "sha256:43d1960e7db14042319c46925892d5fa99b08ff21d57482e6f5328a1aca03588",
+                "sha256:49e96267cd9be55a349fd74f9852eb9ae2c427cd7f6455d0f1765d7332292832",
+                "sha256:63e06ffdaf4054a89757a3a1ab07f1b922daf911743114a54f7c561b9e1baa58",
+                "sha256:67ed1a374c9155ec0840214ce804616de49c3df9c5bc66740687c1c9b1cd9e8d",
+                "sha256:6b662a5669186439f4f583636c8d6ea77cf92f7cfe6aae8d22edf16c36840574",
+                "sha256:6efd9ca20aefbaf2e7e6817a2c6ed4a50ff6900fafdea1bcb1d0e9471743b144",
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@@ -292,20 +258,21 @@
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@@ -315,36 +282,44 @@
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