diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..fea4d79 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,6 +3,7 @@
         "hash": {
             "sha256": "f0026da2573dccbb42b772bbdb3ee79f0b3c166cfacd8f8f28542a224a654bde"
         },
+        "pipfile-spec": 6,
         "requires": {},
         "sources": [
             {
@@ -13,15 +14,81 @@
     },
     "default": {
         "lxml": {
-            "version": "==3.8.0"
+            "hashes": [
+                "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"
         },
         "psycopg2": {
+            "hashes": [
+                "sha256:0147e990cef0332e239de711f165b2a5e6feb7c5f8583985d4a3dcac1680a782",
+                "sha256:0c68fb507415ce022402244cffe740018c9506367fe2d6323f0b47e2544b6b36",
+                "sha256:18c2294c2a0a0df6bb5adfbcae50922b0e75909df8642c9286bf6b867866d181",
+                "sha256:26551d8873130b9558628c5f0288bd07b00c3f82f7dbfe0acf3cd7cd45746672",
+                "sha256:2a9c4bc78922be9d34a11fc38b75bef122d44f465eaf5f2a44021f7cbda3dfd6",
+                "sha256:304304e8efce4077621f9a14cb7e53cdacb4a14ec92f5628204bc4254d4840fb",
+                "sha256:32184c60b445ac9eb4a0058d54f7a5dddae6928f94dfa3683157dc5e70321212",
+                "sha256:34b7e41d1747b26df3baf5397949cc938261c547f3bce208ffc7826c3897d5ac",
+                "sha256:38ff8f65deb947a7499f24ceb5b40db24540027fdf7d927f4d2aab35fbbdd6b0",
+                "sha256:3a11a757e61e3eb5dfa334cf0ce86f9fa1919efadbb98af833eaf3bcb90d7e58",
+                "sha256:3f64897312a08928e71343fedc2a3812a1c46f03025fe327e5d41e0a7be53ee9",
+                "sha256:4004e84c2846badfa1e14ba3cf5b9d7471071c872c1dd6290013c89fa2cc63b1",
+                "sha256:4cae3856e9b41a4861ad32fd8a4aabc7669a0b828776bb3ce0ca29333dabf40c",
+                "sha256:6b26f9ec7a0c5ca1b3528918caeb3c73bfceaced3fdea59d045c886cc2c43344",
+                "sha256:74ee532d6068a1456d5eda254513656c716cdee0a7389c91c094c7ce3500a9c9",
+                "sha256:86c9355f5374b008c8479bc00023b295c07d508f7c3b91dbd2e74f8925b1d9c6",
+                "sha256:8f57535a377c23a78d5a8bbe929ec6977adb3e137fa42500436c784c60141613",
+                "sha256:905764e8d1557e536c9fac35d412a21ad87b558e794104437bf4012a83438ed2",
+                "sha256:911af115bb526b3a5d2f50e05096afc05e3867f55f24532b4a70811e63deab57",
+                "sha256:9c9fe11f87c44e83620b2273f40338e3c25fdbfd34986dddc77e840e0acd25bc",
+                "sha256:9f9de8b5e1b0b648bf4535b721a58eaccf92f747cd8d94380171a36f18553601",
+                "sha256:a14bd664f4db452612688e8031fdf74da489cb042d78d49f2bbfcfa97aae135d",
+                "sha256:ad0e145952e2e91aa1d80c4b9bd8ba9059f39b3538da7b1133b2ed84eb132ed3",
+                "sha256:b4f24faa25232073092d246fc6118c29130c8a5bcc8fd4239edeba20fb12b24a",
+                "sha256:ba6f4786262b4999f9cca420827469c88a79e1f65dabf6bb8a300518f7e11472",
+                "sha256:bf48be2d01f6e34e5fbd8976f7b66158a83a33b92739acd13fc1934c60b71cfb",
+                "sha256:ccd55766033411206d700bcd11e064081f784f256c4d4f6883dca4c3bde21ae2",
+                "sha256:d2e98ff1546c632c29f740a938ba6e29d327ef55f3e816dd43c1e4e7d8cd369a",
+                "sha256:f04d56f664108af9571d278c0ed942ecef0dd3e072fe21ac8c7497a51bfcdfba",
+                "sha256:f1f6d1b0ab40e8d43e294c7a1cc6fe6d47a88225583e581c15e8bfcff04b3863",
+                "sha256:f4cc27830081147ebca6eb729329c64b7f8e92e415733aa26705dd9f03303038"
+            ],
             "version": "==2.7.1"
         },
         "sqlalchemy": {
+            "hashes": [
+                "sha256:76f76965e9a968ba3aecd2a8bc0d991cea04fd9a182e6c95c81f1551487b0211"
+            ],
             "version": "==1.1.11"
         },
         "tqdm": {
+            "hashes": [
+                "sha256:284b7cb57c135f41122580df8a818ffffd85449a61365dfb41907d2bf115e88e",
+                "sha256:a384724dad999e038ea88e9ca56ebcd6075251230a2a7dd0b0a5c23bbad98bdd"
+            ],
             "version": "==4.14.0"
         }
     },