code: function getUserAgent() {
  	var format = require('util').format,
  		version = require('../package').version;
  
  	return format(
  		'analyze-css/%s (%s %s, %s %s)',
  		version,
  		process.release.name,
  		process.version,
  		process.platform,
  		process.arch
  	);
  }
docs: Return user agent to be used by analyze-css when making HTTP requests (issue #75)