Start to refactor the multi method handling in NQP::World to not rely on DispatcherSub. Not completely done yet; breaks multi-method tests. However, it's enough to get compilation further with the new serializer.
Start to refactor the multi method handling in NQP::World to not rely on DispatcherSub. Not completely done yet; breaks multi-method tests. However, it's enough to get compilation further with the new serializer.

cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp