code style fix
remove IOS 5.0 suppporting code
remove usgin of dispatch_get_current_queue deprecated GCD fuction
use NSCParameterAssert and NSCAssert instead of C lang assert
add and use JFFStoreKitDisabledError
fix StoreKit bug - nil error in fail callback
remove unused asyncOperationWithSKRequest procedure
using modern Objective-C style
add -[NSString localizedTemplateStringWithVariables:] method to build string with ordered value by names within template string
remove IOS 5.0 support
code style fix
code style fix
remove usgin of dispatch_get_current_queue deprecated GCD fuction
remove optional - (void)cancel:(BOOL)cancel method
refactor number scanner to return nil when no file
fix loggin of "can not loaded product" error
add and use JFFStoreKitDisabledError
add allActiveCameras method for camera
add neverFinishAsyncOperation procedure