Add JetKais Proxy Provider with over 16K proxies

• Add JetKais Proxy Provider with over 16K proxies
• Clean up some proxy provider stuff
• Add ability to read a sock5.txt file which accepts ip:port

Sock4/Sock5 API proxy provider

• Add Sock4/Sock5 proxy provider for API https://www.proxyscan.io/api/proxy?type=socks4,socks5&limit=1000&lastCheck=3600

Initial release

• Sock4/5 Proxy Support
• Multiple login client support
• CLI Example Program