Allow URL-rewriting without saving the minified content to the file system.
Allow URL-rewriting without saving the minified content to the file system.

Fixes issue #61

zartata/minify,zartata/minify,matthiasmullie/minify,viniciusferreira/minify,n054/minify,n054/minify,jianlinwei/minify,jianlinwei/minify,matthiasmullie/minify,viniciusferreira/minify,n054/minify