connection.c: used internal US-ASCII-only hex string -> value conversion
connection.c: used internal US-ASCII-only hex string -> value conversion

maru/libmicrohttpd-http2,ghaderer/libmicrohttpd,ghaderer/libmicrohttpd,maru/libmicrohttpd-http2,maru/libmicrohttpd-http2,ghaderer/libmicrohttpd