Subst CREDPARAMS

docs/c-api/mg_http.h/struct_http_message.md

mongoose.c

mongoose.h

src/mg_common.h

src/mg_http.c

src/mg_http.h

src/mg_http_ssi.c

src/mg_net.c

src/mg_ssl_if_openssl.c

test/unit_test.c