Improved documentation. Added support for empty filter sets. Removed outdated filter_clause Array test and indexing.
Improved documentation.
Added support for empty filter sets.
Removed outdated filter_clause Array test and indexing.

git-svn-id: 48d5b334b89042e9e63acb3b7bf72fc29567fb3f@63 b5fa333d-9bf8-45b9-b2f2-2709d1971210

ishwinder/fsp,cch1/fsp,ishwinder/fsp,cch1/fsp