code: function TaskRun(target) {
      this.name = target.name || 0;
      this.files = target.files || [];
      this._getConfig = target._getConfig;
      this.options = target.options;
      this.startedAt = false;
      this.spawned = null;
      this.changedFiles = Object.create(null);
      this.spawnTaskFailure = false;
      this.livereloadOnError = true;
      if (typeof this.options.livereloadOnError !== 'undefined') {
        this.livereloadOnError = this.options.livereloadOnError;
      }
    }
docs: Create a TaskRun on a target