Enable multiple selection for table
Set number formatter to lenient
Don't initialize with captains
Update credits/bundle version
WIP Preferences window
Preferences <-> Person.m hooked up
Menu items work
Images
Autosave column information
Add observation methods to .h
Stub out OVFKP
WIP - startingTime undo
starting/ending time undo
Add person observers
PersonsPresent seems to be working
Undo for personsPresent