docs: function(evtStr) {
              var events = evtStr.split(SPACE),
                  len = events.length,
                  n, t, event, parts, baseEvent, name;
  
              for(n = 0; n < len; n++) {
                  event = events[n];
                  parts = event.split(DOT);
                  baseEvent = parts[0];
                  name = parts[1];
  
                  if(baseEvent) {
                      if(this.eventListeners[baseEvent]) {
                          this._off(baseEvent, name);
                      }
                  }
                  else {
                      for(t in this.eventListeners) {
                          this._off(t, name);
                      }
                  }
              }
              return this;
          }