code: function install(ns) {
  	if (!ns || typeof ns !== 'object') {
  		throw new Error('Argument 0 of install is not valid.');
  	}
  
  	return Object.assign(ns, module.exports);
  }
docs: ------------------------------------------------------------------------------ Helper function for extending ------------------------------------------------------------------------------ 
  Extends given object by functions from this module.
  
  @function
  @memberof module:py-logging/nodekit
  @param  {Object} ns
  @return {Object}