Improved storage check

Regarding the archives:
linux-386 is for x86 32-bit Linux distros and should run on 64-bit systems as well
linux-arm7 is for ARM7 Linux distros
linux is for x86_64 64-bit Linux distros
macos is for 64-bit OS X/macOS
osx is for 32-bit OS X and will not likely run on 64-bit OS X
raspberry-pi is for 32-bit Raspberry Pi systems and should run fine on 64-bit systems as well
win32 is for 32-bit Windows and should run on 64-bit systems as well
windows is for 64-bit Windows