code: function(filePath, callback) {
  	if (!fs.existsSync(filePath)) {
  		errorHandler("File " + filePath + " does not exist. Please specify a valid path.");
  	}
  	var body = '';
  	var reader = fs.createReadStream(filePath);
  	reader.on('data', function(chunks) {
  		body += chunks;
  	}).on('end', function() {
  		callback(body);
  	}).on('error', function(e) {
  		throw e;
  	});
  }
docs: Reads the specified JSON file from the
  filesystem which is used to generate
  the schema.
  
  @param {String} filePath - Path to JSON document to load.
  @param {Function} callback