use MD5 instead of SHA1, as some games have no SHA1 info
use MD5 to verify cached files and bypass re-download
add --debug option
unquote filenames from url
add --install and --uninstall, working for deb, apt, steam and mojo installs
add a gamedata.json readme with additional research on games
add more games
be more tolerant with errors and missing info
add install scripts and a helper tool
add custom install method support
add custom install for Incredipede
add custom install for Greed Corp
fine tune warnings and messages
add custom install for Draw a Stickman EPIC