improve receive comments
comment out defunt functions (possibly to be removed)
add universe printing to debugHard to fix #5
remove withMessageHandler as it tends to be ugly in practice
remove divide since forked reactors are equivalent
remove over because it tends to not make good code
make duplicate check before overwriting and debug errors
remove splitOn because manipulating the input stream is inefficient
remove listen; unsafe semantics
update imports for function removal
Merge branch 'feature/propogateErrorsToParent' into develop
Rename Internal.Types to Internal.Internal
Merge branch 'master' of https://github.com/seanmhickman/actors-core into develop