notifying clients that value has changed when setCurrentValue called, fixes #8
notifying clients that value has changed when setCurrentValue called, fixes #8

neonaldo/EFCircularSlider,matthewyan/EFCircularSlider,sidorov-panda/EFCircularSlider,AlexanderMazaletskiy/EFCircularSlider,eliotfowler/EFCircularSlider,SatoTakeshiX/EFCircularSlider,DmitryNek/EFCircularSlider,rainkong/EFCircularSlider,glt3953/EFCircularSlider-glt3953