gistfile1.js

!function(constructorObject){
  constructorObject.plugin(function(self, options){
    var events = {};//event parent
    
    self.on = function(eventNameSpace, func){//add the function to the namespace
      var event = events[eventNameSpace] = events[eventNameSpace]||[];//coalesce and make sure it's an array
      func._function_id = func.name+Date.now();//give it some unique value for later
      event.push(func);//store it
      
      return self;//chain!
    };
    
    self.trigger = function(eventNameSpace){//activate an event namespace
      var event = events[eventNameSpace]||[],
      args = [].slice.call(arguments, 1);//grab everything except the namespace and pop it into an array
      event.forEach(function(func){//for each event
        func.apply(self, args);//apply the arguments
      });
      
      return self;//chain!
    };
    self.off = func(eventNameSpace, func){//remove a queued event
      var event = events[eventNameSpace]||[];
      for(var i = 0, _len = event.length;i<_len; i++){//for each event
        var eventFunc = event[i];//grab the event
        if(func._function_id === eventFunc._function_id){//compare id's
          event.splice(i,1);//remove it from the queue completely
          return self;//all done, don't loop any more
        }
      }
      return self;//Chain!
    })
    
  });

  
}(constructorObject/*, additional plugin dependencies*/)