Merge branch 'kevin'
Merge pull request #2 from ksolkowski/kevin

Kevin
Merge branch 'master' into John
added role identifier!
Merge pull request #3 from ksolkowski/John

John
tiny tweaks
Merge branch 'master' into John
Can no longer switch/swap shifts in the past!
Merge pull request #4 from ksolkowski/John

John
Merge branch 'master' into kevin