message: Check for an explicit undefined when getting cache size
diff: @@ -34,7 +34,8 @@ function MatrixHandler(ircBridge, config) {
  this._memberTracker = null;
  this._eventCache = new Map(); //eventId => {body, sender}
  config = config || {}
  - this._eventCacheMaxSize = config.eventCacheSize || DEFAULT_EVENT_CACHE_SIZE;
  + this._eventCacheMaxSize = config.eventCacheSize === undefined ?
  + DEFAULT_EVENT_CACHE_SIZE : config.eventCacheSize;
  }
  // ===== Matrix Invite Handling =====
  