Required files
rubygems/remote_fetcher
fileutils
tmpdir
fileutils
rdoc/rdoc
rubygems/uninstaller
fileutils
fileutils
tmpdir
zlib
cgi
rubygems/text
rubygems/psych_tree
rubygems/user_interaction
find
digest
timeout
fileutils
rubygems/security
rubygems/security
io/console
Win32API