[DROOLS-64] Traits do not comply with type inheritance on "modify"
[DROOLS-64] Traits do not comply with type inheritance on "modify"
[DROOLS-64] Traits do not comply with type inheritance on "modify"
[DROOLS-104] Queries do not work with class literals
[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-104] Queries do not work with class literals
Merge pull request #188 from sotty/5.5.x

DROOLS-91 + DROOLS-99 **Tentative** fix