Added a small JSDoc to the EventEmitter base class function.
Added a small JSDoc to the EventEmitter base class function.

Olical/EventEmitter,Olical/EventEmitter,oculus42/EventEmitter,Olical/EventEmitter,Wolfy87/EventEmitter,oculus42/EventEmitter,modulexcite/EventEmitter,Wolfy87/EventEmitter,modulexcite/EventEmitter