Add -[UIDevice aiCreateUuid]
Use dot notation for file names
Add ActivityState.uuid, create when needed
Add PackageBuilder.uuid, inject from ActivityState
Write PackageBuilder.uuid into package for key ios_uuid
Log activityState.uuid after reading activityState
Add compiler flag ADJUST_NO_IDFA to suppress usage of AdSupport
Add doc/idfa.md
Add +[NSString aiJoin:...]
Make UIDevice additions more dynamic
Update version to 2.2.0
Merge pull request #28 from adeven/uuid

Add proprietary ID