Rename package and consalidate classes into same package
Added interface for strategy
added getQueryTerms()
Merge remote-tracking branch 'origin/master'
added methods
Merge remote-tracking branch 'origin/master'
Moved tests to new package
replaced 'getDocumentTerms()' with 'getDocumentTermsStemed()'
Fixed 'getSize()
Added FixedWindowStrategy
Merge remote-tracking branch 'origin/master'