Abandon 0.6.3 (will remove from pypi and git tag)

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 
-## [0.6.3] - 2020-09-04
+## [0.6.4] - 2020-09-04
 
 Primarily a range of bugfixes to ensure correct operation with current state
 of other components of DANDI, and use of the client on Windows OS.
@@ -19,6 +19,9 @@ of other components of DANDI, and use of the client on Windows OS.
   datasets, of which we do not have any "real" ones yet)
 - `upload` - various Windows specific fixes
 
+Note: [0.6.3] was released under missing some of the fixes, so overall
+abandoned.
+
 ## [0.6.2] - 2020-08-19
 
 ### Fixed