Add max column width feature. Bugfixes.

Only run release action on tags

Only run release action on tags

Bugfixes

Bugfixes and a dockerfile

Various bug fixes related to edge cases in formatting yaml templates

Fix issue #72 to quote \r newline

Fixed AWS::NoValue issue #69
Added multibyte character support.
do not change !Join to !Sub if conditional may be AWS::Value

Improve format detection, error reporting, and add input/output overr…

…ide flags

Update README

Fix dependency pinning