redirect stderr

[m6w6/replicator] / composer.json

{
    "require": {
        "m6w6/pharext": "^4.0",
        "concisecss/concise.css": "~2.1"
    },
        "autoload": {
                "psr-0": {
                        "pharext": "vendor/m6w6/pharext/src"
                }
        }
}