LCGRandom allow a==b + improve tests
fsm - QueueEngine + test
MyQueueEngine moved to t/lib
fsm - MyQueueEngine fix  - we'll have to call it as instance method
fsm - MyQueueEngine - move out "uncommon" code + small improvements to tests
fsm - MultipartPart - fix bug + tests for it
fsm - MultipartPart - improve tests
fsm - MultipartPart - more improvements to tests
LCGRandom now only works if seed explicitly initialized