renamed qse_httpd_addserver() to qse_httpd_attachserver().
added qse_httpd_detachserver().
added the predetach field to qse_httpd_server_t.
added qse_httpd_cbstd_t and changed qse_htpd_loopstd() to accept this cbstd.
enhanced server uri parsing to include 'docroot'.
enhanced qse_httpd_entasktext() and added qse_httpd_entask_text() for internal use.
added nwif functions like qse_nwifindextombs().
added qse_env_insertmbsa()/qse_env_insertwcsa()/qse_env_inserta().
enhanced TPROXY handling