new mailbox.c
Started the three system calls
edited mailbox.c
Update mailbox.h
Update Makefile
Update Makefile
Update mailbox.h

added hashtable implementation
Update mailbox.h
Update mailboxSetup_LKM.c
Added error handling and removed data attribution in functions since we should deal exclusively with the structures since they are passed back and forth
Update mailboxSetup_LKM.c
Update mailboxSetup_LKM.c
Update mailbox.h
Update mailboxSetup_LKM.c
Added initMailbox
Slight correction
Changed the structure
Added manage
Added error handling, we need way to handle queue
Update mailboxSetup_LKM.c