diff --git a/Pipfile.lock b/Pipfile.lock
index bc8e527..1c46b9c 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -39,10 +39,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
-                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
+                "sha256:046832c04d4e752f37383b628bc601a7ea7211496b4638f6514d0e5b9acc4939",
+                "sha256:945e3ba63a0b9f577b1395204e13c3a231f9bc0223888be653286534e5873695"
             ],
-            "version": "==2019.3.9"
+            "version": "==2019.6.16"
         },
         "chardet": {
             "hashes": [
@@ -68,18 +68,18 @@
         },
         "defusedxml": {
             "hashes": [
-                "sha256:24d7f2f94f7f3cb6061acb215685e5125fbcdc40a857eff9de22518820b0a4f4",
-                "sha256:702a91ade2968a82beb0db1e0766a6a273f33d4616a6ce8cde475d8e09853b20"
+                "sha256:6687150770438374ab581bb7a1b327a847dd9c5749e396102de3fad4e8a3ef93",
+                "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"
             ],
-            "version": "==0.5.0"
+            "version": "==0.6.0"
         },
         "django": {
             "hashes": [
-                "sha256:275bec66fd2588dd517ada59b8bfb23d4a9abc5a362349139ddda3c7ff6f5ade",
-                "sha256:939652e9d34d7d53d74d5d8ef82a19e5f8bb2de75618f7e5360691b6e9667963"
+                "sha256:65e2a548a52fca560cdd4e35f4fa1a79140f405af48950e59702a37e4227e958",
+                "sha256:d4244e2c9653e1349b37ab0cdf108607ba9d1e41f71d0711ac71360e4026ce94"
             ],
             "index": "pypi",
-            "version": "==2.1.7"
+            "version": "==2.1.10"
         },
         "django-environ": {
             "hashes": [
@@ -135,10 +135,10 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013",
+                "sha256:14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"
             ],
-            "version": "==2.10"
+            "version": "==2.10.1"
         },
         "jsonschema": {
             "hashes": [
@@ -150,34 +150,32 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:03984196d00670b2ab14ae0ea83d5cc0cfa4f5a42558afa9ab5fa745995328f5",
-                "sha256:0815b0c9f897468de6a386dc15917a0becf48cc92425613aa8bbfc7f0f82951f",
-                "sha256:175f3825f075cf02d15099eb52658457cf0ff103dcf11512b5d2583e1d40f58b",
-                "sha256:30e14c62d88d1e01a26936ecd1c6e784d4afc9aa002bba4321c5897937112616",
-                "sha256:3210da6f36cf4b835ff1be853962b22cc354d506f493b67a4303c88bbb40d57b",
-                "sha256:40f60819fbd5bad6e191ba1329bfafa09ab7f3f174b3d034d413ef5266963294",
-                "sha256:43b26a865a61549919f8a42e094dfdb62847113cf776d84bd6b60e4e3fc20ea3",
-                "sha256:4a03dd682f8e35a10234904e0b9508d705ff98cf962c5851ed052e9340df3d90",
-                "sha256:62f382cddf3d2e52cf266e161aa522d54fd624b8cc567bc18f573d9d50d40e8e",
-                "sha256:7b98f0325be8450da70aa4a796c4f06852949fe031878b4aa1d6c417a412f314",
-                "sha256:846a0739e595871041385d86d12af4b6999f921359b38affb99cdd6b54219a8f",
-                "sha256:a3080470559938a09a5d0ec558c005282e99ac77bf8211fb7b9a5c66390acd8d",
-                "sha256:ad841b78a476623955da270ab8d207c3c694aa5eba71f4792f65926dc46c6ee8",
-                "sha256:afdd75d9735e44c639ffd6258ce04a2de3b208f148072c02478162d0944d9da3",
-                "sha256:b4fbf9b552faff54742bcd0791ab1da5863363fb19047e68f6592be1ac2dab33",
-                "sha256:b90c4e32d6ec089d3fa3518436bdf5ce4d902a0787dbd9bb09f37afe8b994317",
-                "sha256:b91cfe4438c741aeff662d413fd2808ac901cc6229c838236840d11de4586d63",
-                "sha256:bdb0593a42070b0a5f138b79b872289ee73c8e25b3f0bea6564e795b55b6bcdd",
-                "sha256:c4e4bca2bb68ce22320297dfa1a7bf070a5b20bcbaec4ee023f83d2f6e76496f",
-                "sha256:cec4ab14af9eae8501be3266ff50c3c2aecc017ba1e86c160209bb4f0423df6a",
-                "sha256:e83b4b2bf029f5104bc1227dbb7bf5ace6fd8fabaebffcd4f8106fafc69fc45f",
-                "sha256:e995b3734a46d41ae60b6097f7c51ba9958648c6d1e0935b7e0ee446ee4abe22",
-                "sha256:f679d93dec7f7210575c85379a31322df4c46496f184ef650d3aba1484b38a2d",
-                "sha256:fd213bb5166e46974f113c8228daaef1732abc47cb561ce9c4c8eaed4bd3b09b",
-                "sha256:fdcb57b906dbc1f80666e6290e794ab8fb959a2e17aa5aee1758a85d1da4533f",
-                "sha256:ff424b01d090ffe1947ec7432b07f536912e0300458f9a7f48ea217dd8362b86"
-            ],
-            "version": "==4.3.3"
+                "sha256:06c7616601430aa140a69f97e3116308fffe0848f543b639a5ec2e8920ae72fd",
+                "sha256:177202792f9842374a8077735c69c41a4282183f7851443d2beb8ee310720819",
+                "sha256:19317ad721ceb9e39847d11131903931e2794e447d4751ebb0d9236f1b349ff2",
+                "sha256:36d206e62f3e5dbaafd4ec692b67157e271f5da7fd925fda8515da675eace50d",
+                "sha256:387115b066c797c85f9861a9613abf50046a15aac16759bc92d04f94acfad082",
+                "sha256:3ce1c49d4b4a7bc75fb12acb3a6247bb7a91fe420542e6d671ba9187d12a12c2",
+                "sha256:4d2a5a7d6b0dbb8c37dab66a8ce09a8761409c044017721c21718659fa3365a1",
+                "sha256:58d0a1b33364d1253a88d18df6c0b2676a1746d27c969dc9e32d143a3701dda5",
+                "sha256:62a651c618b846b88fdcae0533ec23f185bb322d6c1845733f3123e8980c1d1b",
+                "sha256:69ff21064e7debc9b1b1e2eee8c2d686d042d4257186d70b338206a80c5bc5ea",
+                "sha256:7060453eba9ba59d821625c6af6a266bd68277dce6577f754d1eb9116c094266",
+                "sha256:7d26b36a9c4bce53b9cfe42e67849ae3c5c23558bc08363e53ffd6d94f4ff4d2",
+                "sha256:83b427ad2bfa0b9705e02a83d8d607d2c2f01889eb138168e462a3a052c42368",
+                "sha256:923d03c84534078386cf50193057aae98fa94cace8ea7580b74754493fda73ad",
+                "sha256:b773715609649a1a180025213f67ffdeb5a4878c784293ada300ee95a1f3257b",
+                "sha256:baff149c174e9108d4a2fee192c496711be85534eab63adb122f93e70aa35431",
+                "sha256:bca9d118b1014b4c2d19319b10a3ebed508ff649396ce1855e1c96528d9b2fa9",
+                "sha256:ce580c28845581535dc6000fc7c35fdadf8bea7ccb57d6321b044508e9ba0685",
+                "sha256:d34923a569e70224d88e6682490e24c842907ba2c948c5fd26185413cbe0cd96",
+                "sha256:dd9f0e531a049d8b35ec5e6c68a37f1ba6ec3a591415e6804cbdf652793d15d7",
+                "sha256:ecb805cbfe9102f3fd3d2ef16dfe5ae9e2d7a7dfbba92f4ff1e16ac9784dbfb0",
+                "sha256:ede9aad2197a0202caff35d417b671f5f91a3631477441076082a17c94edd846",
+                "sha256:ef2d1fc370400e0aa755aab0b20cf4f1d0e934e7fd5244f3dd4869078e4942b9",
+                "sha256:f2fec194a49bfaef42a548ee657362af5c7a640da757f6f452a35da7dd9f923c"
+            ],
+            "version": "==4.3.4"
         },
         "markupsafe": {
             "hashes": [
@@ -266,16 +264,16 @@
         },
         "pyrsistent": {
             "hashes": [
-                "sha256:3ca82748918eb65e2d89f222b702277099aca77e34843c5eb9d52451173970e2"
+                "sha256:16692ee739d42cf5e39cef8d27649a8c1fdb7aa99887098f1460057c5eb75c3a"
             ],
-            "version": "==0.14.11"
+            "version": "==0.15.2"
         },
         "pytz": {
             "hashes": [
-                "sha256:32b0891edff07e28efe91284ed9c31e123d84bea3fd98e1f72be2508f43ef8d9",
-                "sha256:d5f05e487007e29e03409f9398d074e158d920d36eb82eaf66fb1136b0c5374c"
+                "sha256:303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda",
+                "sha256:d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141"
             ],
-            "version": "==2018.9"
+            "version": "==2019.1"
         },
         "pyyaml": {
             "hashes": [
@@ -296,10 +294,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
-                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
             ],
-            "version": "==2.21.0"
+            "version": "==2.22.0"
         },
         "requests-toolbelt": {
             "hashes": [
@@ -333,10 +331,10 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
-                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
+                "sha256:b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1",
+                "sha256:dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"
             ],
-            "version": "==1.24.1"
+            "version": "==1.25.3"
         },
         "whitenoise": {
             "hashes": [
@@ -398,6 +396,13 @@
             "index": "pypi",
             "version": "==17.8.0"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:6dfd58dfe281e8d240937776065dd3624ad5469c835248219bd16cf2e12dbeb7",
+                "sha256:cb6ee23b46173539939964df59d3d72c3e0c1b5d54b84f1d8a7e912fe43612db"
+            ],
+            "version": "==0.18"
+        },
         "mccabe": {
             "hashes": [
                 "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
@@ -407,11 +412,11 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:2112d2ca570bb7c3e53ea1a35cd5df42bb0fd10c45f0fb97178679c3c03d64c7",
-                "sha256:c3e4748ba1aad8dba30a4886b0b1a2004f9a863837b8654e7059eebf727afa5a"
+                "sha256:3ad685ff8512bf6dc5a8b82ebf73543999b657eded8c11803d9ba6b648986f4d",
+                "sha256:8bb43d1f51ecef60d81854af61a3a880555a14643691cc4b64a6ee269c78f09a"
             ],
             "markers": "python_version > '2.7'",
-            "version": "==7.0.0"
+            "version": "==7.1.0"
         },
         "mypy": {
             "hashes": [
@@ -438,10 +443,10 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:19ecf9ce9db2fce065a7a0586e07cfb4ac8614fe96edf628a264b1c70116cf8f",
-                "sha256:84d306a647cc805219916e62aab89caa97a33a1dd8c342e87a37f91073cd4746"
+                "sha256:0825a152ac059776623854c1543d65a4ad408eb3d33ee114dff91e57ec6ae6fc",
+                "sha256:b9817417e95936bf75d85d3f8767f7df6cdde751fc40aed3bb3074cbcb77757c"
             ],
-            "version": "==0.9.0"
+            "version": "==0.12.0"
         },
         "py": {
             "hashes": [
@@ -466,10 +471,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:5ffada19f6203563680669ee7f53b64dabbeb100eb51b61996085e99c03b284a",
-                "sha256:e8218dd399a61674745138520d0d4cf2621d7e032439341bc3f647bff125818d"
+                "sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127",
+                "sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"
             ],
-            "version": "==2.3.1"
+            "version": "==2.4.2"
         },
         "pytest": {
             "hashes": [
@@ -503,27 +508,27 @@
         },
         "typed-ast": {
             "hashes": [
-                "sha256:035a54ede6ce1380599b2ce57844c6554666522e376bd111eb940fbc7c3dad23",
-                "sha256:037c35f2741ce3a9ac0d55abfcd119133cbd821fffa4461397718287092d9d15",
-                "sha256:049feae7e9f180b64efacbdc36b3af64a00393a47be22fa9cb6794e68d4e73d3",
-                "sha256:19228f7940beafc1ba21a6e8e070e0b0bfd1457902a3a81709762b8b9039b88d",
-                "sha256:2ea681e91e3550a30c2265d2916f40a5f5d89b59469a20f3bad7d07adee0f7a6",
-                "sha256:3a6b0a78af298d82323660df5497bcea0f0a4a25a0b003afd0ce5af049bd1f60",
-                "sha256:5385da8f3b801014504df0852bf83524599df890387a3c2b17b7caa3d78b1773",
-                "sha256:606d8afa07eef77280c2bf84335e24390055b478392e1975f96286d99d0cb424",
-                "sha256:69245b5b23bbf7fb242c9f8f08493e9ecd7711f063259aefffaeb90595d62287",
-                "sha256:6f6d839ab09830d59b7fa8fb6917023d8cb5498ee1f1dbd82d37db78eb76bc99",
-                "sha256:730888475f5ac0e37c1de4bd05eeb799fdb742697867f524dc8a4cd74bcecc23",
-                "sha256:9819b5162ffc121b9e334923c685b0d0826154e41dfe70b2ede2ce29034c71d8",
-                "sha256:9e60ef9426efab601dd9aa120e4ff560f4461cf8442e9c0a2b92548d52800699",
-                "sha256:af5fbdde0690c7da68e841d7fc2632345d570768ea7406a9434446d7b33b0ee1",
-                "sha256:b64efdbdf3bbb1377562c179f167f3bf301251411eb5ac77dec6b7d32bcda463",
-                "sha256:bac5f444c118aeb456fac1b0b5d14c6a71ea2a42069b09c176f75e9bd4c186f6",
-                "sha256:bda9068aafb73859491e13b99b682bd299c1b5fd50644d697533775828a28ee0",
-                "sha256:d659517ca116e6750101a1326107d3479028c5191f0ecee3c7203c50f5b915b0",
-                "sha256:eddd3fb1f3e0f82e5915a899285a39ee34ce18fd25d89582bc89fc9fb16cd2c6"
-            ],
-            "version": "==1.3.1"
+                "sha256:132eae51d6ef3ff4a8c47c393a4ef5ebf0d1aecc96880eb5d6c8ceab7017cc9b",
+                "sha256:18141c1484ab8784006c839be8b985cfc82a2e9725837b0ecfa0203f71c4e39d",
+                "sha256:2baf617f5bbbfe73fd8846463f5aeafc912b5ee247f410700245d68525ec584a",
+                "sha256:3d90063f2cbbe39177e9b4d888e45777012652d6110156845b828908c51ae462",
+                "sha256:4304b2218b842d610aa1a1d87e1dc9559597969acc62ce717ee4dfeaa44d7eee",
+                "sha256:4983ede548ffc3541bae49a82675996497348e55bafd1554dc4e4a5d6eda541a",
+                "sha256:5315f4509c1476718a4825f45a203b82d7fdf2a6f5f0c8f166435975b1c9f7d4",
+                "sha256:6cdfb1b49d5345f7c2b90d638822d16ba62dc82f7616e9b4caa10b72f3f16649",
+                "sha256:7b325f12635598c604690efd7a0197d0b94b7d7778498e76e0710cd582fd1c7a",
+                "sha256:8d3b0e3b8626615826f9a626548057c5275a9733512b137984a68ba1598d3d2f",
+                "sha256:8f8631160c79f53081bd23446525db0bc4c5616f78d04021e6e434b286493fd7",
+                "sha256:912de10965f3dc89da23936f1cc4ed60764f712e5fa603a09dd904f88c996760",
+                "sha256:b010c07b975fe853c65d7bbe9d4ac62f1c69086750a574f6292597763781ba18",
+                "sha256:c908c10505904c48081a5415a1e295d8403e353e0c14c42b6d67f8f97fae6616",
+                "sha256:c94dd3807c0c0610f7c76f078119f4ea48235a953512752b9175f9f98f5ae2bd",
+                "sha256:ce65dee7594a84c466e79d7fb7d3303e7295d16a83c22c7c4037071b059e2c21",
+                "sha256:eaa9cfcb221a8a4c2889be6f93da141ac777eb8819f077e1d09fb12d00a09a93",
+                "sha256:f3376bc31bad66d46d44b4e6522c5c21976bf9bca4ef5987bb2bf727f4506cbb",
+                "sha256:f9202fa138544e13a4ec1a6792c35834250a85958fde1251b6a22e07d1260ae7"
+            ],
+            "version": "==1.3.5"
         },
         "typing-extensions": {
             "hashes": [
@@ -539,6 +544,13 @@
                 "sha256:d806f65ac1554366b6e31d29d7be2e8893996c0acbb2824bbf2b1f49cf628a13"
             ],
             "version": "==0.3"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:8c1019c6aad13642199fbe458275ad6a84907634cc9f0989877ccc4a2840139d",
+                "sha256:ca943a7e809cc12257001ccfb99e3563da9af99d52f261725e96dfe0f9275bc3"
+            ],
+            "version": "==0.5.1"
         }
     }
 }