Added tests, bug fixes and added new moment feature

Merge pull request #19 from crashkonijn/master

Added tests, fixed a couple of bugs, added new moment feature.

1.0.6

Revert changes from v1.0.4

1.0.5

Fix some minor bugs

1.0.4

Fix a bug with not unique table/alias

1.0.3

Update for Laravel 5.3

1.0.2

Fix getLatestVersionColumn()

1.0.1

PHPDocs fix

1.0.0

SoftDeletes fixes