Merge branch 'master' of https://github.com/lex009/jackalope-doctrine-dbal into lex009-master

* 'master' of https://github.com/lex009/jackalope-doctrine-dbal:
  fix
  walk comparison
  walkOpernad fix
  Comparison test fix
  Client and walkOperand fixes
  walkOperand returns numbers without quotes

Conflicts:
	src/Jackalope/Transport/DoctrineDBAL/Query/QOMWalker.php