359 Proxy geliştiren: Excalibur

The subscription feature is designed for WallessPKU .
Of course it can be used as a normal https client as well!
There are three modes:
1. proxy+global
2. proxy+gfwlist: automatically bypass domains in gfwlist/ mainland China and LAN IP addresses
3. direct
WARNING: DNS over https/ http traffic will not go through the proxy