* Extended test case to show problem
* FIX: Proper escaping of backslash in like/contains queries
* Had to replace "like ?" assertions in tests with "like " as mysql will do a "like binary ? escape'|'" now to be case sensitive
* FIX: warnings (add generics, overrides, fix imports) - should be no effecive code change
* replaced deprecated methods by default methods
* FIX: more compiler warnings
* FIX more warnings - no code changes