old_contents: /*jshint camelcase:false */
  
  'use strict';
  
  exports.css = function(css, cb) {
    //cb(null, css);
    cb(null, require('cssmin')(css).toString().trim());
  };
  
  exports.cssFile = function(path, cb) {
    require('fs').readFile(path, function(err, css) {
      return err ? cb(err) : exports.css(css.toString(), cb);
    });
  };
  
  exports.js = function(js, cb) {
    var minnedJs = require('uglify-js').minify(js, {fromString: true});
    if(minnedJs.hasOwnProperty('code')) {
      minnedJs = minnedJs.code;
    }
    cb(null, minnedJs.toString().trim());
  };
  
  exports.jsFile = function(path, cb) {
    require('fs').readFile(path, function(err, js) {
      return err ? cb(err) : exports.js(js.toString(), cb);
    });
  };
  
  var concat = function(arr, sep, cb) {
    arr = require('lodash').compact(arr);
  
    var first = arr.shift() || '';
  
    var catted = require('lodash').reduce(arr, function(bulk, next) {
      return bulk + sep + next;
    }, first);
  
    cb(null, catted);
  };
  
  exports.jsFileList = function(arr, cb) {
    require('async').map(arr, exports.jsFile, function(err, results) {
      return err ? cb(err) : concat(results, '\n', cb);
    });
  };
  
  exports.cssFileList = function(arr, cb) {
    require('async').map(arr, exports.cssFile, function(err, results) {
      return err ? cb(err) : concat(results, '\n', cb);
    });
  };
  
new_contents: /*jshint camelcase:false */
  
  'use strict';
  
  exports.css = function(css, cb) {
    cb(null, require('cssmin')(css).toString().trim());
  };
  
  exports.cssFile = function(path, cb) {
    require('fs').readFile(path, function(err, css) {
      return err ? cb(err) : exports.css(css.toString(), cb);
    });
  };
  
  exports.js = function(js, cb) {
    var minnedJs = require('uglify-js').minify(js, {fromString: true});
    if(minnedJs.hasOwnProperty('code')) {
      minnedJs = minnedJs.code;
    }
    cb(null, minnedJs.toString().trim());
  };
  
  exports.jsFile = function(path, cb) {
    require('fs').readFile(path, function(err, js) {
      return err ? cb(err) : exports.js(js.toString(), cb);
    });
  };
  
  var concat = function(arr, sep, cb) {
    arr = require('lodash').compact(arr);
  
    var first = arr.shift() || '';
  
    var catted = require('lodash').reduce(arr, function(bulk, next) {
      return bulk + sep + next;
    }, first);
  
    cb(null, catted);
  };
  
  exports.jsFileList = function(arr, cb) {
    require('async').map(arr, exports.jsFile, function(err, results) {
      return err ? cb(err) : concat(results, '\n', cb);
    });
  };
  
  exports.cssFileList = function(arr, cb) {
    require('async').map(arr, exports.cssFile, function(err, results) {
      return err ? cb(err) : concat(results, '\n', cb);
    });
  };
  
subject: Remove commented out code