extend Variant tests
improve fixture cleanup in Message and User tests
test role order is now fixed sorted by name with Fixtures first
Remove unessisary many_to_many relationship per issue [#94] -gregapompe.
remove Test::PostgreSQL from .travis.yml until author fixes his distro
Replace naked return with return undef. issue[#93] -jeffb
Add helper method search_base_attribute_values to Base::Attribute.
Fix method name typo in POD.
Lexically declare @columns.
Add wantarray to return.
Merge issue [#93] fix from master.