Fixes adding of relation when cloneable_relations is null

3.2.2

Fixing adding of relation when cloneable_relations is null

Dedupe relations added via addCloneableRelation()

Prevent adding a single relation multiple times

This is to prevent this addition from being a breaking change

Adding addCloneableRelation()

3.1.0

Adding coverage badge

Support cloning into other databases

Models can be cloned between database connections ( #4 ), including their files ( #5 ). Also improves notifications of cloning by adding the original model to the callbacks ( #2, a breaking change) and firing events ( #1 )

Laravel 5 support

2.0.0

Update .travis.yml

Initial release

1.0.0

Adding the duplicate() method to the trait