v1.4

• Improvements of readme, godoc, examples and code
• host always has a port number on connect callback

v1.3

• Added TLS support for HTTPS Proxy
• Added ErrPanic to catch panic in handler functions
• Added ErrNotSupportHTTPVer to prevent HTTP/2 requests
• Added authType parameter to OnAuth handler
• Added Context.Req
• Changed internal implementations and fixed bugs

v1.2

• Added unauthorized header in doAuth
• Added Proxy.AuthType
• Return 502 for unreachable addresses
• Added Date, Content-Type headers in ServeResponse if they absent
• Added signed hosts cache (CaSigner)
• Added GoDoc

v1.1

• First release