fix critical bug - crash in limitedLoadersQueue
using of jClass_implementProperty instead of objc_getAssociatedObject/objc_setAssociatedObject
code style changes
add JFFGridView ui component
add +[UIImage newImageWithColor:(UIColor *)color andSize:(CGSize)size] method
add +[UIImage newImageWithColor:(UIColor *)color andSize:(CGSize)size] method
fix critical bug - crash in limitedLoadersQueue
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