Update dependencies

2 files changed, 73 insertions, 78 deletions

diff --git a/docs/Pipfile b/docs/Pipfile
index 74bf317..79af3fd 100644
--- a/docs/Pipfile
+++ b/docs/Pipfile
@@ -14,6 +14,3 @@ sphinxcontrib-blockdiag = "*"
 sphinxcontrib-nwdiag = "*"
 
 [dev-packages]
-
-[requires]
-python_version = "3.7"
diff --git a/docs/Pipfile.lock b/docs/Pipfile.lock
index 5bd68e1..ca8310e 100644
--- a/docs/Pipfile.lock
+++ b/docs/Pipfile.lock
@@ -1,12 +1,10 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "684069be3643f81d1a97cb64cc9ddc4af9926b54eb3694c65022e366f87ece26"
+            "sha256": "e9c213eeeac3ae45bbdcc852c07f881352980a821d735b76d197a631287718d9"
         },
         "pipfile-spec": 6,
-        "requires": {
-            "python_version": "3.7"
-        },
+        "requires": {},
         "sources": [
             {
                 "name": "pypi",
@@ -23,20 +21,13 @@
             ],
             "version": "==0.7.12"
         },
-        "argparse": {
-            "hashes": [
-                "sha256:62b089a55be1d8949cd2bc7e0df0bddb9e028faefc8c32038cc84862aefdd6e4",
-                "sha256:c31647edb69fd3d465a847ea3157d37bed1f95f19760b11a47aa91c04b666314"
-            ],
-            "version": "==1.4.0"
-        },
         "babel": {
             "hashes": [
-                "sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38",
-                "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"
+                "sha256:9d35c22fcc79893c3ecc85ac4a56cde1ecf3f19c540bba0922308a6c06ca6fa5",
+                "sha256:da031ab54472314f210b0adcff1588ee5d1d1d0ba4dbd07b94dba82bde791e05"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.8.0"
+            "version": "==2.9.0"
         },
         "blockdiag": {
             "hashes": [
@@ -48,24 +39,26 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:1d987a998c75633c40847cc966fcf5904906c920a7f17ef374f5aa4282abd304",
-                "sha256:51fcb31174be6e6664c5f69e3e1691a2d72a1a12e90f872cbdb1567eb47b6519"
+                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
+                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
             ],
-            "version": "==2020.4.5.1"
+            "version": "==2020.12.5"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==4.0.0"
         },
         "dateutils": {
             "hashes": [
-                "sha256:15e564d9cd34e4260cf96625a3249c938c3aada2e5eaddf8218dd3fbc8dbdba4"
+                "sha256:03dd90bcb21541bd4eb4b013637e4f1b5f944881c46cc6e4b67a6059e370e3f1",
+                "sha256:f33b6ab430fa4166e7e9cb8b21ee9f6c9843c48df1a964466f52c79b2a8d53b3"
             ],
             "index": "pypi",
-            "version": "==0.6.8"
+            "version": "==0.6.12"
         },
         "docutils": {
             "hashes": [
@@ -91,19 +84,19 @@
         },
         "gitpython": {
             "hashes": [
-                "sha256:864a47472548f3ba716ca202e034c1900f197c0fb3a08f641c20c3cafd15ed94",
-                "sha256:da3b2cf819974789da34f95ac218ef99f515a928685db141327c09b73dd69c09"
+                "sha256:6eea89b655917b500437e9668e4a12eabdcf00229a0df1762aabd692ef9b746b",
+                "sha256:befa4d101f91bad1b632df4308ec64555db684c360bd7d2130b4807d49ce86b8"
             ],
             "index": "pypi",
-            "version": "==3.1.2"
+            "version": "==3.1.11"
         },
         "idna": {
             "hashes": [
-                "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb",
-                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.9"
+            "version": "==2.10"
         },
         "imagesize": {
             "hashes": [
@@ -121,11 +114,11 @@
         },
         "jandd.sphinxext.ip": {
             "hashes": [
-                "sha256:11c4674034d3b874ddf1baa379ec92e2ca3cf7a274ca9d100f11c9eb429ab430",
-                "sha256:18ea4d526882e0be7368e16473da17ff1203041eb93e9d31998336a286088b02"
+                "sha256:ac605326d22c99d15b26595cdc2fa5ccce4e34570a8cedf40096995d8154a3b3",
+                "sha256:f2de5da632a21264f394f04103f7f84d4ff539274518828601394bd75377b200"
             ],
             "index": "pypi",
-            "version": "==0.3.0"
+            "version": "==0.4.0"
         },
         "jandd.sphinxext.mac": {
             "hashes": [
@@ -191,48 +184,53 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8",
-                "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"
+                "sha256:24e0da08660a87484d1602c30bb4902d74816b6985b93de36926f5bc95741858",
+                "sha256:78598185a7008a470d64526a8059de9aaa449238f280fc9eb6b13ba6c4109093"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==20.4"
+            "version": "==20.8"
         },
         "pillow": {
             "hashes": [
-                "sha256:04766c4930c174b46fd72d450674612ab44cca977ebbcc2dde722c6933290107",
-                "sha256:4b02b9c27fad2054932e89f39703646d0c543f21d3cc5b8e05434215121c28cd",
-                "sha256:f455efb7a98557412dc6f8e463c1faf1f1911ec2432059fa3e582b6000fc90e2",
-                "sha256:9744350687459234867cbebfe9df8f35ef9e1538f3e729adbd8fde0761adb705",
-                "sha256:1f694e28c169655c50bb89a3fa07f3b854d71eb47f50783621de813979ba87f3",
-                "sha256:b532bcc2f008e96fd9241177ec580829dee817b090532f43e54074ecffdcd97f",
-                "sha256:d23e2aa9b969cf9c26edfb4b56307792b8b374202810bd949effd1c6e11ebd6d",
-                "sha256:ccc9ad2460eb5bee5642eaf75a0438d7f8887d484490d5117b98edd7f33118b7",
-                "sha256:12e4bad6bddd8546a2f9771485c7e3d2b546b458ae8ff79621214119ac244523",
-                "sha256:f46e0e024346e1474083c729d50de909974237c72daca05393ee32389dabe457",
-                "sha256:f784aad988f12c80aacfa5b381ec21fd3f38f851720f652b9f33facc5101cf4d",
-                "sha256:ae2b270f9a0b8822b98655cb3a59cdb1bd54a34807c6c56b76dd2e786c3b7db3",
-                "sha256:b943e71c2065ade6fef223358e56c167fc6ce31c50bc7a02dd5c17ee4338e8ac",
-                "sha256:3d25dd8d688f7318dca6d8cd4f962a360ee40346c15893ae3b95c061cdbc4079",
-                "sha256:b67a6c47ed963c709ed24566daa3f95a18f07d3831334da570c71da53d97d088",
-                "sha256:ee94fce8d003ac9fd206496f2707efe9eadcb278d94c271f129ab36aa7181344",
-                "sha256:eaa83729eab9c60884f362ada982d3a06beaa6cc8b084cf9f76cae7739481dfa",
-                "sha256:f54be399340aa602066adb63a86a6a5d4f395adfdd9da2b9a0162ea808c7b276",
-                "sha256:b37bb3bd35edf53125b0ff257822afa6962649995cbdfde2791ddb62b239f891",
-                "sha256:a0b49960110bc6ff5fead46013bcb8825d101026d466f3a4de3476defe0fb0dd",
-                "sha256:70e3e0d99a0dcda66283a185f80697a9b08806963c6149c8e6c5f452b2aa59c0",
-                "sha256:0f01e63c34f0e1e2580cc0b24e86a5ccbbfa8830909a52ee17624c4193224cd9",
-                "sha256:0e2a3bceb0fd4e0cb17192ae506d5f082b309ffe5fc370a5667959c9b2f85fa3"
-            ],
-            "markers": "python_version >= '3.5'",
-            "version": "==7.1.2"
+                "sha256:006de60d7580d81f4a1a7e9f0173dc90a932e3905cc4d47ea909bc946302311a",
+                "sha256:0a2e8d03787ec7ad71dc18aec9367c946ef8ef50e1e78c71f743bc3a770f9fae",
+                "sha256:0eeeae397e5a79dc088d8297a4c2c6f901f8fb30db47795113a4a605d0f1e5ce",
+                "sha256:11c5c6e9b02c9dac08af04f093eb5a2f84857df70a7d4a6a6ad461aca803fb9e",
+                "sha256:2fb113757a369a6cdb189f8df3226e995acfed0a8919a72416626af1a0a71140",
+                "sha256:4b0ef2470c4979e345e4e0cc1bbac65fda11d0d7b789dbac035e4c6ce3f98adb",
+                "sha256:59e903ca800c8cfd1ebe482349ec7c35687b95e98cefae213e271c8c7fffa021",
+                "sha256:5abd653a23c35d980b332bc0431d39663b1709d64142e3652890df4c9b6970f6",
+                "sha256:5f9403af9c790cc18411ea398a6950ee2def2a830ad0cfe6dc9122e6d528b302",
+                "sha256:6b4a8fd632b4ebee28282a9fef4c341835a1aa8671e2770b6f89adc8e8c2703c",
+                "sha256:6c1aca8231625115104a06e4389fcd9ec88f0c9befbabd80dc206c35561be271",
+                "sha256:795e91a60f291e75de2e20e6bdd67770f793c8605b553cb6e4387ce0cb302e09",
+                "sha256:7ba0ba61252ab23052e642abdb17fd08fdcfdbbf3b74c969a30c58ac1ade7cd3",
+                "sha256:7c9401e68730d6c4245b8e361d3d13e1035cbc94db86b49dc7da8bec235d0015",
+                "sha256:81f812d8f5e8a09b246515fac141e9d10113229bc33ea073fec11403b016bcf3",
+                "sha256:895d54c0ddc78a478c80f9c438579ac15f3e27bf442c2a9aa74d41d0e4d12544",
+                "sha256:8de332053707c80963b589b22f8e0229f1be1f3ca862a932c1bcd48dafb18dd8",
+                "sha256:92c882b70a40c79de9f5294dc99390671e07fc0b0113d472cbea3fde15db1792",
+                "sha256:95edb1ed513e68bddc2aee3de66ceaf743590bf16c023fb9977adc4be15bd3f0",
+                "sha256:b63d4ff734263ae4ce6593798bcfee6dbfb00523c82753a3a03cbc05555a9cc3",
+                "sha256:bd7bf289e05470b1bc74889d1466d9ad4a56d201f24397557b6f65c24a6844b8",
+                "sha256:cc3ea6b23954da84dbee8025c616040d9aa5eaf34ea6895a0a762ee9d3e12e11",
+                "sha256:cc9ec588c6ef3a1325fa032ec14d97b7309db493782ea8c304666fb10c3bd9a7",
+                "sha256:d3d07c86d4efa1facdf32aa878bd508c0dc4f87c48125cc16b937baa4e5b5e11",
+                "sha256:d8a96747df78cda35980905bf26e72960cba6d355ace4780d4bdde3b217cdf1e",
+                "sha256:e38d58d9138ef972fceb7aeec4be02e3f01d383723965bfcef14d174c8ccd039",
+                "sha256:eb472586374dc66b31e36e14720747595c2b265ae962987261f044e5cce644b5",
+                "sha256:fbd922f702582cb0d71ef94442bfca57624352622d75e3be7a1e7e9360b07e72"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==8.0.1"
         },
         "pygments": {
             "hashes": [
-                "sha256:647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44",
-                "sha256:ff7a40b4860b727ab48fad6360eb351cc1b33cbf9b15a0f689ca5353e9463324"
+                "sha256:ccf3acacf3782cbed4a989426012f1c535c9a90d3a7fc3f16d231b9372d2b716",
+                "sha256:f275b6c0909e5dafd2d6269a656aa90fa58ebf4a74f8fcf9053195d226b24a08"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==2.6.1"
+            "version": "==2.7.3"
         },
         "pyparsing": {
             "hashes": [
@@ -252,18 +250,18 @@
         },
         "pytz": {
             "hashes": [
-                "sha256:a494d53b6d39c3c6e44c3bec237336e14305e4f29bbf800b599253057fbb79ed",
-                "sha256:c35965d010ce31b23eeb663ed3cc8c906275d6be1a34393a1d73a41febf4a048"
+                "sha256:16962c5fb8db4a8f63a26646d8886e9d769b6c511543557bc84e9569fb9a9cb4",
+                "sha256:180befebb1927b16f6b57101720075a984c019ac16b1b7575673bea42c6c3da5"
             ],
-            "version": "==2020.1"
+            "version": "==2020.5"
         },
         "requests": {
             "hashes": [
-                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
-                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
+                "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804",
+                "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==2.23.0"
+            "version": "==2.25.1"
         },
         "six": {
             "hashes": [
@@ -290,11 +288,11 @@
         },
         "sphinx": {
             "hashes": [
-                "sha256:779a519adbd3a70fc7c468af08c5e74829868b0a5b34587b33340e010291856c",
-                "sha256:ea64df287958ee5aac46be7ac2b7277305b0381d213728c3a49d8bb9b8415807"
+                "sha256:aeef652b14629431c82d3fe994ce39ead65b3fe87cf41b9a3714168ff8b83376",
+                "sha256:e450cb205ff8924611085183bf1353da26802ae73d9251a8fcdf220a8f8712ef"
             ],
             "index": "pypi",
-            "version": "==3.0.4"
+            "version": "==3.4.1"
         },
         "sphinxcontrib-applehelp": {
             "hashes": [
@@ -362,11 +360,11 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527",
-                "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"
+                "sha256:19188f96923873c92ccb987120ec4acaa12f0461fa9ce5d3d0772bc965a39e08",
+                "sha256:d8ff90d979214d7b4f8ce956e80f4028fc6860e4431f731ea4a8c08f23f99473"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.25.9"
+            "version": "==1.26.2"
         },
         "validate-email": {
             "hashes": [