[TASK] Implement case insensitive like() in the Query object (Revision 3)

This change implements the missing case insensitive like() into
the Query object which was still documented as todo.

Change-Id: I53cd80e145eb49bcf8251f0045b9f3ec4fd61105
Releases: master, 2.0
Revision-Id: d3b84f382f70cf1f5d25c78147a479cf6c3b82f2