document how to upgrade from 0.4 to 0.5
document how to upgrade from 0.4 to 0.5

insomnia-lab/libreant,leophys/libreant,leophys/libreant,insomnia-lab/libreant,insomnia-lab/libreant,insomnia-lab/libreant,leophys/libreant,leophys/libreant