code: function updateVersion () {
      start(`Updating ${"package.json".cyan} version from ${oldVersion.cyan} to ${newVersion.cyan}...`);
      pkg.version = newVersion;
      fs.writeFileSync('./package.json', JSON.stringify(pkg, null, 2));
      done();
      abortCmds.push('git checkout package.json');
      pushCmds.push('git add package.json');
    }
docs: writes the new version to package.json