code: function resolve(opt) {
  	if (opt instanceof Cachers.Base) {
  		return opt;
  	} else if (opt === true) {
  		return new Cachers.Memory();
  	} else if (_.isString(opt)) {
  		let CacherClass = getByName(opt);
  		if (CacherClass)
  			return new CacherClass();
  
  		if (opt.startsWith("redis://"))
  			CacherClass = Cachers.Redis;
  
  		if (CacherClass)
  			return new CacherClass(opt);
  		else
  			throw new BrokerOptionsError(`Invalid cacher type '${opt}'.`, { type: opt });
  
  	} else if (_.isObject(opt)) {
  		let CacherClass = getByName(opt.type || "Memory");
  		if (CacherClass)
  			return new CacherClass(opt.options);
  		else
  			throw new BrokerOptionsError(`Invalid cacher type '${opt.type}'.`, { type: opt.type });
  	}
  
  	return null;
  }
docs: Resolve cacher by name
  
  @param {object|string} opt
  @returns {Cacher}