Merge pull request #62 from jcbertin/develop

Fixed warning: weak property '_delegate' is accessed multiple times in t...
Fixed deprecated method #60, performed project upgrade check
Reindented
restored global 4.3 deployment target
Merge branch 'od/issue_60' into develop
Updates for 1.7.0 release
Merge branch 'release-1.7'
Updated podspec for new CocoaPods trunk system
Merge branch 'release-1.7'