Adding a note re: issue queue to readme.
Fix legend state when revert called - #782
Merge pull request #785 from aendrew/adding_note_to_readme

Adding a note re: issue queue to readme.
Fix event rect when moving zoom extent - #786
Release v0.4.6
Fix legend when revert called - #790
Show 'outer' psitioned axis label even if legend is hidden - #788
Release v0.4.7