Changes

Derived query support :
 - reactivating and fixing tests on simple property with ignore case.
 - Support of varargs for in(..) operator
 (commit: 2b3de9f)

Renaming Lower operator to Lesser
 (commit: 62209f9)

Derived query support : adding "ignoring case" support for "in" and "equals" (combined with not())
 (commit: 0fabb47)

Derived query support : better "ignoring case" support for "like" (combined with not())
 (commit: a5d9fa3)