Replace crashing objc_msgSend call with SEL/IMP approach per http://stackoverflow.com/questions/2650190/objective-c-and-use-of-sel-imp
Merge pull request #76 from croesus/master

Replace crashing objc_msgSend call with SEL/IMP approach Issue #73
Merge https://github.com/kstenerud/ObjectAL-for-iPhone