[DROOLS-70] NPE when an event expires during evaluation of accumulate when run as fireUntilHalt()
[DROOLS-87] org.drools.time.impl.DefaultJobHandle causes NullPointer in hashCode
[DROOLS-102] Error inserting facts after session restore
[DROOLS-117] The "from" CE does not manage @events correctly
[DROOLS-173]  Collect and accumulate conditions not working together - test case