Fix coverage by moving phpunit folder back into tests
Fix some test issues and allow persistent database connections
Update docs [ci skip]
Fix some docblocks, and update test files to 2014
Update composer.json and remove unsupported ODBC driver
100% code coverage of the base classes
Fix test broken by invalid test parameters
Make HHVM an optional test case
Make HHVM optional with the correct syntax
Remove PHP 5.2 from testing
Fix failing test on HHVM
Better Firebird test coverage
No more skipped tests, and minor update to query formatting
Fix error in < 5.3 in Query Builder