diff --git a/Pipfile.lock b/Pipfile.lock
index a4a20f4..1acd13d 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -24,31 +24,41 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
-                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
+                "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872",
+                "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"
             ],
-            "version": "==2019.9.11"
+            "version": "==2021.10.8"
         },
-        "chardet": {
+        "charset-normalizer": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:1eecaa09422db5be9e29d7fc65664e6c33bd06f9ced7838578ba40d58bdf3721",
+                "sha256:b0b883e8e874edfdece9c28f314e3dd5badf067342e42fb162203335ae61aa2c"
             ],
-            "version": "==3.0.4"
+            "markers": "python_version >= '3'",
+            "version": "==2.0.9"
         },
         "click": {
             "hashes": [
-                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
-                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
+                "sha256:353f466495adaeb40b6b5f592f9f91cb22372351c84caeb068132442a4518ef3",
+                "sha256:410e932b050f5eed773c4cda94de75971c89cdb3155a72a0831139a79e5ecb5b"
             ],
-            "version": "==7.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==8.0.3"
         },
         "colorama": {
             "hashes": [
-                "sha256:05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d",
-                "sha256:f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"
+                "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b",
+                "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"
             ],
-            "version": "==0.4.1"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==0.4.4"
+        },
+        "commonmark": {
+            "hashes": [
+                "sha256:452f9dc859be7f06631ddcb328b6919c67984aca654e5fefb3914d54691aed60",
+                "sha256:da2f38c92590f83de410ba1a3cbceafbc74fee9def35f9251ba9a971d6d66fd9"
+            ],
+            "version": "==0.9.1"
         },
         "danube-delta": {
             "hashes": [
@@ -58,120 +68,217 @@
             "index": "pypi",
             "version": "==1.3.5"
         },
-        "docutils": {
+        "dataclasses": {
             "hashes": [
-                "sha256:6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0",
-                "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
-                "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
+                "sha256:0201d89fa866f68c8ebd9d08ee6ff50c0b255f8ec63a71c16fda7af82bb887bf",
+                "sha256:8479067f342acf957dc82ec415d355ab5edb7e7646b90dc6e2fd1d96ad084c97"
             ],
-            "version": "==0.15.2"
+            "markers": "python_version < '3.7'",
+            "version": "==0.8"
         },
-        "entrypoints": {
+        "docutils": {
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-                "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
-                "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
+                "sha256:23010f129180089fbcd3bc08cfefccb3b890b0050e1ca00c867036e9d161b98c",
+                "sha256:679987caf361a7539d76e584cbeddc311e3aee937877c87346f31debc63e9d06"
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-            "version": "==0.3"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==0.18.1"
         },
         "feedgenerator": {
             "hashes": [
-                "sha256:5ae05daa9cfa47fa406ee4744d0b7fa1c8a05a7a47ee0ad328ddf55327cfb106"
+                "sha256:6836d456b8b0edbc5b6d3a42d1be852cebd43d2f28af4ff51789eb295f1860e2",
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             ],
-            "version": "==1.9"
+            "markers": "python_version >= '3.6'",
+            "version": "==2.0.0"
         },
         "flake8": {
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-                "sha256:8e9dfa3cecb2400b3738a42c54c3043e821682b9c840b0448c0503f781130696"
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-            "version": "==3.7.8"
+            "markers": "python_version >= '3.6'",
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         "ghp-import": {
             "hashes": [
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-            "version": "==0.5.5"
+            "version": "==2.0.2"
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-            "version": "==2.8"
+            "markers": "python_version >= '3'",
+            "version": "==3.3"
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+        "importlib-metadata": {
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         "jinja2": {
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         "lxml": {
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@@ -182,97 +289,129 @@
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@@ -281,19 +420,37 @@
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