add description about 'use' on README.md
don't install msys.lisp for non-windows
extract sbcl archive on msys environment
uiop/run-program take ' but " on windows
muffle error for 'sh make.sh'
confirm that sb-posix package are available on win32
tried cross compile on arch linux
fix error by reffering 'asdf:*user-cache*' occur on asdf version 2.2.3