diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..3ff7741 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,6 +3,7 @@
         "hash": {
             "sha256": "f0026da2573dccbb42b772bbdb3ee79f0b3c166cfacd8f8f28542a224a654bde"
         },
+        "pipfile-spec": 6,
         "requires": {},
         "sources": [
             {
@@ -13,15 +14,84 @@
     },
     "default": {
         "lxml": {
-            "version": "==3.8.0"
+            "hashes": [
+                "sha256:01b194561b6a25d94b1267b785d6ec67eec6b62cce2591f3096de98ec22a704b",
+                "sha256:10ad7277b618b9a0bafed7ddf73af6d9c9b3de8d42cbb881859d611d54de665c",
+                "sha256:1fc9e6adc16c0cab2596de5cd7adc5988635ec1e2dcae367e2a2009302ae89b3",
+                "sha256:34cb8e68be4403d01a84f5dd5b9a089ddaedf28a3e9ff259708d88f9a60e2b7e",
+                "sha256:36a47fb5d99f7827cb478cc71f907b728304ead3b12b0eb1a102199a0a0bf8a7",
+                "sha256:37cda88cf6082fd9d78988156140a5922d4b296577b5ff83f72116c4061d7304",
+                "sha256:39e80bafa7be141ff2d0bb8ed1652b9ac326573bf0e6678770d729adbd9d2670",
+                "sha256:4211c2ff1a465d9bafc671715d40695bfeb59065005a8b565069b4ab3faba5d9",
+                "sha256:473ad409306e83dca68632bf29e1b40592b159af86318410ac42e8054f2904b8",
+                "sha256:482da759ec33fb78e3781d1c59aafa39a83265bbc796967f830d64d08f7212ad",
+                "sha256:48cccd8ba29c4cc967cb0e3317c5931e0f0ade1692895da6ba9a5a31410d75af",
+                "sha256:4b487bf101ce0217afcc3eb661713b32f10d30f1cac1e9d966f0a988ea8a389c",
+                "sha256:512f1b88f46ef1e55cb05150b8e7029be1c10995c3531d6c1205afa8b61d8996",
+                "sha256:73e23a2dd19d8f3c012cf6d3b221b32bf2254de49dfed449b2b87dd8fa56611e",
+                "sha256:810934dddb01a797fcd8ec9d9e981b8ebc7738ae1a5bbd2c90c7cdae5435609e",
+                "sha256:82f278cd24da1b8a98df89de38946d67381a00e39adef768fd302dc8f4e1c383",
+                "sha256:852d077b69432ad3c2ee622d4a82588fc32c8f260d41ce1a34207e60213b04a1",
+                "sha256:8eee7864ea7882512bada274c2a58997a09fa8da5f8a31e298ebf7226df0cf75",
+                "sha256:967ac7c857b4c67dbc906e2c7d81f89c14ea84d63adf4e95c6a1c9ed1bec2d77",
+                "sha256:a8b8c161d9dab9e884f99e7d898f6e06db547a3a0398962b55de96130b6da777",
+                "sha256:a9368022ca262fd15625f365b557d66ce0743bc1e1901d85dfe1af9836f01713",
+                "sha256:ab5ab5df9589a4538c238cf3711978419562ccf9c72efc06fb2f5e3833b7e0f4",
+                "sha256:be1d3c858071d552aab304742726ea1b3a46f21761f2c2a7afa93a37e57597f5",
+                "sha256:bea02d0662709d905bc18402ad4b84c5a6dc72d9d86dbbe9958eadf3d158e63b",
+                "sha256:d06bbb503f9e41c836a1941d163469b6df2f77f004bff609849f58ed52fa2ad4",
+                "sha256:d2965ef3521bcc3c82bd218a44f4c1f2630c127b5e1f35da50cb360e872bc3af",
+                "sha256:d78d58d934a3c2f39daaf89aad5e71551ff75550cf4820020ad6ae29f1b82cc9"
+            ],
+            "version": "==4.2.2"
         },
         "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"
         }
     },