Convert objects to arrays at beginning of parser(). Bring back PHP 5.…

…3. Add PHP 5.5 to Travis

2.3.1 Release with support for ArrayableInterface

Updating Readme

Updating Changelog

Updating Changelog

Put the changelog in the normal order.

Merge branch 'develop'

Updating Version Number

Fixing version number in isntallation instructions.

Tagging 2.0.2