Compile result of .defaultsTo(null) to "default null", not "default 'null'"
Test the fix
Merge pull request #439 from vschoettke/add-querybuilder-tests

Test every dialect in query builder unit test
Merge pull request #437 from myndzi/fix-default-null

Compile result of .defaultsTo(null) to "default null", not "default 'null'"
Merge remote-tracking branch 'upstream/master'