Refactor to have access to the release version earlier, giving the ability to output the downloaded version.

Add a --demo flag that runs all optional flags.

Failsafe if the user isn't set on a revision to use empty string.
Fixes #308

Adding additional tests to cover the removal of multiple tags at once. And making sure all tag links have been removed upon removing an entity.

The orWhere statement caused tags not to be found. Fixed issue when having an entity with 3 tags, updating it with 0 tags, remove all 3 links. This wasn't the case before.

 in 5.4 this broke and isn't searching for the id column and not the key column.

Laravel 5.4 compatibility