Test case that shows that IN() predicates are not produced correctly

Conflicts:
	test/RoaveTest/DbCriteria/QueryExpressionVisitorTest.php
Test case that shows that NOT IN() predicates are not produced correctly

Conflicts:
	test/RoaveTest/DbCriteria/QueryExpressionVisitorTest.php
Fix In and NotIn to actually return predicates
Merge pull request #9 from EvanDotPro/hotfix/in-not-in

Fix in/notin