function _arrayWithHoles(arr) {
	  if (Array.isArray(arr)) return arr;
	}
@method module
@instance
@description piped version of .applyModule().
@param {Object} module the module to apply
@return {this} returns this - app/component
@throws {ManagerError}
@memberof module:core.ModuleSystem
@example <caption>Piped modules</caption>
component
  .module(new Module1())
  .module(new Module2())
  .module(new Module3())