Changed to Saving data to file instead of NSUserPef
Added new project w/ CoreData

Signed-off-by: Oscar Suro <outercript@gmail.com>
Modified coredata entities and relations

Signed-off-by: Oscar Suro <outercript@gmail.com>
Updated changed dates to NSDate

Signed-off-by: Oscar Suro <outercript@gmail.com>