Fix integer type.
Add EOF newline.
Fix integer type.
Disable conversion warnings in FKNumberSpinnerView
Enable a bunch of compiler warnings.
Allow Xcode to update a product type value.
Use `strong` instead of `retain`.

Functionally equivalent but more idiomatic because
ARC is used.
Set “class prefix” for the Xcode project.
Make a few implicit casts explicit.
Convert tests to XCTest.
Enable more compiler warnings.
Update architecture build settings.
Increase deployment target to iOS 6.0
Fix macro definition build setting placement.
Declare some properties as nonatomic.
Fix min. iOS version support documentation.