fix upgrade
refuctoring debug
fix comments
add NPN connection
fix looplimit
fix WriteString logging
update logging
update MagicString
add ErrorCode.ToName() and Stop when receive GoAwayFrame
remove log
add flag to setting frame
update SettingsId
fix sending NewFrameHeader at SettngFrameHeader
send Settings ACK
add logging
change if to type switch
update ErrorCode
move Error Code definition to top
add RstStreamFrame
Add RstStreamFrameType