Added PhpStorm files to .gitignore
Added Mockery init to phpunit.xml
Various fixes to QueryBuilder classes for tests
Added coveralls.io support
Added QueryBuilderTest unit test stub
Implemented unit tests
Added API tests

Calls methods from a real query builder instance. Uses the __toString()
export of queries to assert that the built query is valid.

Depends on a fork of ezpublish-api that has __toString()
implemented for queries.