diff --git a/Pipfile.lock b/Pipfile.lock
index f4671c9..aa21cfd 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -16,59 +16,65 @@
     "default": {
         "cairocffi": {
             "hashes": [
-                "sha256:f1c0c5878f74ac9ccb5d48b2601fcc75390c881ce476e79f4cfedd288b1b05db"
+                "sha256:9a979b500c64c8179fec286f337e8fe644eca2f2cd05860ce0b62d25f22ea140"
             ],
-            "version": "==1.1.0"
+            "version": "==1.2.0"
         },
         "cairosvg": {
             "hashes": [
-                "sha256:0a29e694d7de5973433222dec08ee785a8d753459ddb9a1d8e0e1456927e8e4c",
-                "sha256:e512f555f576b6462b04b585c4ba4c09a43f3a8fec907b60ead21d7d00c550e9"
+                "sha256:bfa0deea7fa0b9b2f29e41b747a915c249dbca731a4667c2917e47ff96e773e0",
+                "sha256:f1ff02625520493eafb5695d987f69544555524bb0f95695b9ddd3f9dc7d29d5"
             ],
             "index": "pypi",
-            "version": "==2.1.3"
+            "version": "==2.5.1"
         },
         "certifi": {
             "hashes": [
-                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
-                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
+                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
+                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
             ],
-            "version": "==2019.9.11"
+            "version": "==2020.12.5"
         },
         "cffi": {
             "hashes": [
-                "sha256:00d890313797d9fe4420506613384b43099ad7d2b905c0752dbcc3a6f14d80fa",
-                "sha256:0cf9e550ac6c5e57b713437e2f4ac2d7fd0cd10336525a27224f5fc1ec2ee59a",
-                "sha256:0ea23c9c0cdd6778146a50d867d6405693ac3b80a68829966c98dd5e1bbae400",
-                "sha256:193697c2918ecdb3865acf6557cddf5076bb39f1f654975e087b67efdff83365",
-                "sha256:1ae14b542bf3b35e5229439c35653d2ef7d8316c1fffb980f9b7647e544baa98",
-                "sha256:1e389e069450609c6ffa37f21f40cce36f9be7643bbe5051ab1de99d5a779526",
-                "sha256:263242b6ace7f9cd4ea401428d2d45066b49a700852334fd55311bde36dcda14",
-                "sha256:33142ae9807665fa6511cfa9857132b2c3ee6ddffb012b3f0933fc11e1e830d5",
-                "sha256:364f8404034ae1b232335d8c7f7b57deac566f148f7222cef78cf8ae28ef764e",
-                "sha256:47368f69fe6529f8f49a5d146ddee713fc9057e31d61e8b6dc86a6a5e38cecc1",
-                "sha256:4895640844f17bec32943995dc8c96989226974dfeb9dd121cc45d36e0d0c434",
-                "sha256:558b3afef987cf4b17abd849e7bedf64ee12b28175d564d05b628a0f9355599b",
-                "sha256:5ba86e1d80d458b338bda676fd9f9d68cb4e7a03819632969cf6d46b01a26730",
-                "sha256:63424daa6955e6b4c70dc2755897f5be1d719eabe71b2625948b222775ed5c43",
-                "sha256:6381a7d8b1ebd0bc27c3bc85bc1bfadbb6e6f756b4d4db0aa1425c3719ba26b4",
-                "sha256:6381ab708158c4e1639da1f2a7679a9bbe3e5a776fc6d1fd808076f0e3145331",
-                "sha256:6fd58366747debfa5e6163ada468a90788411f10c92597d3b0a912d07e580c36",
-                "sha256:728ec653964655d65408949b07f9b2219df78badd601d6c49e28d604efe40599",
-                "sha256:7cfcfda59ef1f95b9f729c56fe8a4041899f96b72685d36ef16a3440a0f85da8",
-                "sha256:819f8d5197c2684524637f940445c06e003c4a541f9983fd30d6deaa2a5487d8",
-                "sha256:825ecffd9574557590e3225560a8a9d751f6ffe4a49e3c40918c9969b93395fa",
-                "sha256:9009e917d8f5ef780c2626e29b6bc126f4cb2a4d43ca67aa2b40f2a5d6385e78",
-                "sha256:9c77564a51d4d914ed5af096cd9843d90c45b784b511723bd46a8a9d09cf16fc",
-                "sha256:a19089fa74ed19c4fe96502a291cfdb89223a9705b1d73b3005df4256976142e",
-                "sha256:a40ed527bffa2b7ebe07acc5a3f782da072e262ca994b4f2085100b5a444bbb2",
-                "sha256:bb75ba21d5716abc41af16eac1145ab2e471deedde1f22c6f99bd9f995504df0",
-                "sha256:e22a00c0c81ffcecaf07c2bfb3672fa372c50e2bd1024ffee0da191c1b27fc71",
-                "sha256:e55b5a746fb77f10c83e8af081979351722f6ea48facea79d470b3731c7b2891",
-                "sha256:ec2fa3ee81707a5232bf2dfbd6623fdb278e070d596effc7e2d788f2ada71a05",
-                "sha256:fd82eb4694be712fcae03c717ca2e0fc720657ac226b80bbb597e971fc6928c2"
+                "sha256:00a1ba5e2e95684448de9b89888ccd02c98d512064b4cb987d48f4b40aa0421e",
+                "sha256:00e28066507bfc3fe865a31f325c8391a1ac2916219340f87dfad602c3e48e5d",
+                "sha256:045d792900a75e8b1e1b0ab6787dd733a8190ffcf80e8c8ceb2fb10a29ff238a",
+                "sha256:0638c3ae1a0edfb77c6765d487fee624d2b1ee1bdfeffc1f0b58c64d149e7eec",
+                "sha256:105abaf8a6075dc96c1fe5ae7aae073f4696f2905fde6aeada4c9d2926752362",
+                "sha256:155136b51fd733fa94e1c2ea5211dcd4c8879869008fc811648f16541bf99668",
+                "sha256:1a465cbe98a7fd391d47dce4b8f7e5b921e6cd805ef421d04f5f66ba8f06086c",
+                "sha256:1d2c4994f515e5b485fd6d3a73d05526aa0fcf248eb135996b088d25dfa1865b",
+                "sha256:2c24d61263f511551f740d1a065eb0212db1dbbbbd241db758f5244281590c06",
+                "sha256:51a8b381b16ddd370178a65360ebe15fbc1c71cf6f584613a7ea08bfad946698",
+                "sha256:594234691ac0e9b770aee9fcdb8fa02c22e43e5c619456efd0d6c2bf276f3eb2",
+                "sha256:5cf4be6c304ad0b6602f5c4e90e2f59b47653ac1ed9c662ed379fe48a8f26b0c",
+                "sha256:64081b3f8f6f3c3de6191ec89d7dc6c86a8a43911f7ecb422c60e90c70be41c7",
+                "sha256:6bc25fc545a6b3d57b5f8618e59fc13d3a3a68431e8ca5fd4c13241cd70d0009",
+                "sha256:798caa2a2384b1cbe8a2a139d80734c9db54f9cc155c99d7cc92441a23871c03",
+                "sha256:7c6b1dece89874d9541fc974917b631406233ea0440d0bdfbb8e03bf39a49b3b",
+                "sha256:840793c68105fe031f34d6a086eaea153a0cd5c491cde82a74b420edd0a2b909",
+                "sha256:8d6603078baf4e11edc4168a514c5ce5b3ba6e3e9c374298cb88437957960a53",
+                "sha256:9cc46bc107224ff5b6d04369e7c595acb700c3613ad7bcf2e2012f62ece80c35",
+                "sha256:9f7a31251289b2ab6d4012f6e83e58bc3b96bd151f5b5262467f4bb6b34a7c26",
+                "sha256:9ffb888f19d54a4d4dfd4b3f29bc2c16aa4972f1c2ab9c4ab09b8ab8685b9c2b",
+                "sha256:a5ed8c05548b54b998b9498753fb9cadbfd92ee88e884641377d8a8b291bcc01",
+                "sha256:a7711edca4dcef1a75257b50a2fbfe92a65187c47dab5a0f1b9b332c5919a3fb",
+                "sha256:af5c59122a011049aad5dd87424b8e65a80e4a6477419c0c1015f73fb5ea0293",
+                "sha256:b18e0a9ef57d2b41f5c68beefa32317d286c3d6ac0484efd10d6e07491bb95dd",
+                "sha256:b4e248d1087abf9f4c10f3c398896c87ce82a9856494a7155823eb45a892395d",
+                "sha256:ba4e9e0ae13fc41c6b23299545e5ef73055213e466bd107953e4a013a5ddd7e3",
+                "sha256:c6332685306b6417a91b1ff9fae889b3ba65c2292d64bd9245c093b1b284809d",
+                "sha256:d5ff0621c88ce83a28a10d2ce719b2ee85635e85c515f12bac99a95306da4b2e",
+                "sha256:d9efd8b7a3ef378dd61a1e77367f1924375befc2eba06168b6ebfa903a5e59ca",
+                "sha256:df5169c4396adc04f9b0a05f13c074df878b6052430e03f50e68adf3a57aa28d",
+                "sha256:ebb253464a5d0482b191274f1c8bf00e33f7e0b9c66405fbffc61ed2c839c775",
+                "sha256:ec80dc47f54e6e9a78181ce05feb71a0353854cc26999db963695f950b5fb375",
+                "sha256:f032b34669220030f905152045dfa27741ce1a6db3324a5bc0b96b6c7420c87b",
+                "sha256:f60567825f791c6f8a592f3c6e3bd93dd2934e3f9dac189308426bd76b00ef3b",
+                "sha256:f803eaa94c2fcda012c047e62bc7a51b0bdabda1cad7a92a522694ea2d76e49f"
             ],
-            "version": "==1.13.1"
+            "version": "==1.14.4"
         },
         "chardet": {
             "hashes": [
@@ -79,10 +85,10 @@
         },
         "cssselect2": {
             "hashes": [
-                "sha256:07e9c3b1b52d81dd08b177532bbd6b9ced650d87abfd641f4e4ec7de34b98807",
-                "sha256:70485a680cd72b023f0ce5ae4dcd392e2b10f7280e20afdb1735334bd6af7e6a"
+                "sha256:2f4a9f20965367bae459e3bb42561f7927e0cfe5b7ea1692757cf67ef5d7dace",
+                "sha256:93fbb9af860e95dd40bf18c3b2b6ed99189a07c0f29ba76f9c5be71344664ec8"
             ],
-            "version": "==0.2.2"
+            "version": "==0.4.1"
         },
         "defusedxml": {
             "hashes": [
@@ -132,9 +138,10 @@
         },
         "pycparser": {
             "hashes": [
-                "sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3"
+                "sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0",
+                "sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705"
             ],
-            "version": "==2.19"
+            "version": "==2.20"
         },
         "requests": {
             "hashes": [
@@ -146,10 +153,10 @@
         },
         "tinycss2": {
             "hashes": [
-                "sha256:6427d0e3faa0a5e0e8c9f6437e2de26148a7a197a8b0992789f23d9a802788cf",
-                "sha256:9fdacc0e22d344ddd2ca053837c133900fe820ae1222f63b79617490a498507a"
+                "sha256:0353b5234bcaee7b1ac7ca3dea7e02cd338a9f8dcbb8f2dcd32a5795ec1e5f9a",
+                "sha256:fbdcac3044d60eb85fdb2aa840ece43cf7dbe798e373e6ee0be545d4d134e18a"
             ],
-            "version": "==1.0.2"
+            "version": "==1.1.0"
         },
         "urllib3": {
             "hashes": [