Improved touch location recognition

-> Prevents the slider knob from jumping around (The iOS 7 UISlider has
this same bug, iOS 6 did not have it)
• Updated project settings and modernized code
Updated iOS 7 UISlider bug fix
Fixed sliding detection outside of bounds
Some slight revisions to maintain style and compatibility with ancient iOS and Xcode versions (because why not).
Update to 1.0.1.