code: function RequestHooks_has(regex) {
          if (!Type.isRegExp(regex)) {
              throw new error.DataError({regex: regex}, "RequestHooks.has regex must be regex type");
          }
          return !!this.hooks.filter(function (item) {
              return item.key.source === regex.source;
          }).shift();
      }
docs: @since 0.0.1
  @author Igor Ivanovic
  @method RequestHooks#has
  
  @description
  Has a hook
  @return {boolean}