Changed openarray to seq for processHandlers, because of cached openarray len in while scope. (#221)
Changed openarray to seq for processHandlers, because of cached openarray len in while scope. (#221)

Added onAnimate process in CompositAnimation OnProgress.
Added chak that handlers isn't nil on adding.
bogdan-voevoda/nimx,bogdan-voevoda/nimx,yglukhov/nimx,yglukhov/nimx,bogdan-voevoda/nimx,yglukhov/nimx