docs: function rebundle() {
      var debug, min;
  
      debug = sourcemaps.init({loadMaps: true});
      debug.pipe(sourcemaps.write('./', {sourceRoot: './'}))
          .pipe(gulp.dest(paths.out));
  
      min = rename({ suffix: '.min' });
      min.pipe(sourcemaps.init({loadMaps: true}))
          .pipe(uglify())
          .pipe(sourcemaps.write('./', {sourceRoot: './', addComment: false}))
          .pipe(gulp.dest(paths.out));
  
      return this.bundle()
          .on('error', handleErrors.handler)
          .pipe(handleErrors())
          .pipe(source('pixi.js'))
          .pipe(buffer())
          .pipe(mirror(
              debug,
              min
          ));
  }