Extra checks to hopefully fix #68
Fixing Travis build (I hope)

XCTest is apparently not supported on iOS 6.
Fix crash if +closeDatabase is called before database is ever opened (fix #79)
Use REAL for date
Merge pull request #80 from l4u/patch-1

Use REAL for date in README example
Removing Travis after too many false alarms. This is supposed to save needless work, not create more of it.
postChangeNotification: Send instance, not class
Exception 'FCModel tables must have a single-column primary key' should appear for multi-key tables.
Merge pull request #82 from lickel/notification-update-notif

postChangeNotification: Send instance, not class
Merge pull request #83 from ilyannn/master

Enforce 'FCModel tables must have a single-column primary key'