Merge pull request #13 from acbrewbaker/master

Init bubble struct and changed function sigs
Merge pull request #14 from acbrewbaker/master

init bubble updates in stages
working on fetchStage.c
Merge branch 'master' of github.com:l3ullseye12/y86-team16
Merge pull request #16 from l3ullseye12/master

working on fetchStage