beginning of message and process class
update to process
message and process update

updateeeeeeeeeeeeeeeeeeeeeeeeee 2
process update
Fixed bugs with priority queuing. Still need to do deque.
changes to process. message, and implement control
pid fix in process
Merge branch 'master' of http://github.com/ehrenb/cosc519 into brenden
Merge everyones changes. Get to compile cleanly.
Deque added.
MessageLock updated.
Merge branch 'master' of http://github.com/andrewoconnor/cosc519 into brenden
Updates for threading and toString