CocoaPods/Specs — pull request #12718 by JohnnyTseng (2014-10-02 04:22:04+00:00)
Title: Fixed wrong version string, 4.5.0 should be 4.5.1

The version inside podspec is wrong, current version is 4.5.1, so it shoud be 4.5.1
But it is still 4.5.0, will cause error while compile, fixed this issue.