Version 0.15.6

Version 0.15.5

Merge pull request arrow-py#712 from jadchaar/version-0.15.4

Increment version and add to changelog

Version 0.15.3

Version 0.15.2

Merge pull request arrow-py#665 from jadchaar/version-0.15.1

0.15.1 version increment and changelog

Version 0.15.0

Merge pull request arrow-py#651 from jadchaar/version-0.14.7

Tweaked when ArrowParseWarning is called and incremented version to 0.14.7

Increment version to 0.14.6 and add to CHANGELOG (arrow-py#648)

Version 0.14.5