code: function(text, prefix, suffix) {
        sessions.forEach(function(session) {
  	      text = session.replace(text, prefix, suffix);
        });
        return text;
      }
docs: Replace occurrences of <code>after</code> file names with the corresponding <code>before</code> file names
  across all sessions.
  @param {string} text The input text to replace
  @param {string=} prefix Regexp source that should precede all matches
  @param {string=} suffix Regexp source that should follow all matches
  @returns {string} The result of the replacement