bump docs version, write v21.0.0 changelog

Author: mahmoud

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Hyperlink Changelog
 
+## 21.0.0
+
+*(January 7, 2021)*
+
+* Update plus sign (`+`) handling to work with/like HTML form encoding
+  (`POST`) by default, fixes [#129][i129], and associated roundtripping ([#146][i146]).
+* Package IDNA tables. ([#134][i134])
+* Long overdue dependency bumps
+
+[i129]: https://github.com/python-hyper/hyperlink/issues/129
+[i134]: https://github.com/python-hyper/hyperlink/issues/134
+[i146]: https://github.com/python-hyper/hyperlink/issues/146
+
 ## 20.0.1
 
 *(August 4, 2020)*

docs/conf.py

@@ -64,8 +64,8 @@
 copyright = u'2018, Mahmoud Hashemi'
 author = u'Mahmoud Hashemi'
 
-version = '20.0'
-release = '20.0.1'
+version = '21.0'
+release = '21.0.0'
 
 if os.name != 'nt':
     today_fmt = '%B %d, %Y'