rolling back a change make to event listener, the code to check if event's added==removed was pushed into Traits
rolling back a change make to event listener, the code to check if event's added==removed was pushed into Traits

ContinuumIO/chaco,tommy-u/chaco,ContinuumIO/chaco,burnpanck/chaco,burnpanck/chaco,tommy-u/chaco,burnpanck/chaco,ContinuumIO/chaco,ContinuumIO/chaco,tommy-u/chaco