add gem
prepare for publish
Merge branch 'master' of https://github.com/bloodyhistory/proxy_manager into gem
Revert "Merge branch 'master' of https://github.com/bloodyhistory/proxy_manager into gem"

This reverts commit 94aebd1e46e12e0e95c86295d9db8273c69dc69c, reversing
changes made to 31323d426331ad9aa0558737464ad367fb1ff944.
Merge branch 'gem'