EG/HM: Rewritten multilucene; Much shorter and cleaner executeComposedQuery
HM: More refactoring in multilucene
HM: Fixed composedQuery test for new unite call
HM: timeoutInSeconds=20
HM: KeyFilter filters on acceptDocs with a BitsFilteredDocIdSet
JPM/HM: Better so
HM: Cache collected keys with a cache in Lucene
HM: Tested caching of keycollectors does an intersect on the copy of the set