code: function getNextFile (files, type) {
    for (var i = 0; i < files.length; i++) {
      var file = files[i]
      if (/.ttl$/.test(file)) {
        continue
      }
      return file
    }
  }
docs: Gets the next file in a buffer
  @param  {array}  files Array of files
  @param  {number} type  Type of file to get
  @return {string}       Path to file