code: function getElapsedTime(startTime) {
  	const prettyHrtime = require("pretty-hrtime");
  	const timeDiff = process.hrtime(startTime);
  	return prettyHrtime(timeDiff);
  }
docs: Calculates the elapsed build time and returns a prettified output
  
  @private
  @param {Array} startTime Array provided by <code>process.hrtime()</code>
  @returns {string} Difference between now and the provided time array as formatted string