Setting version to 5.6.0-SNAPSHOT
[DROOLS-105]  Indexing may be broken with unification queries
[DROOLS-106] Using the same pattern in and out of a sliding windows causes an NPE if a join is involved
[DROOLS-64] Traits do not comply with type inheritance on "modify"
[DROOLS-107] NPE when inserting through rule (object already present as derived class)
[DROOLS-109] DRLDumper does not handle nested and/ors correctly
[JBRULES-3201] Sliding windows - Rule is being fired even when LHS is false
[JBRULES-3705]  Same criteria across multiple rules cancels activation with Property Reactive Facts
[JBRULES-3671] NPE in SlidingLengthWindow.assertFact when some event in window expired
[JBRULES-3701] Add ability to trait a map
[DROOLS-100] DRL compiler accepts rules extending non-existing rules
[JBRULES-2258] Count in sliding time
[DROOLS-121] Circular dependencies are not detected in declared types
[JBRULES-3558]  Odd rules execution for expired events