added qse_mbstouri()/qse_wcstouri()/qse_strtouri().

added qse_enbase64()/qse_debase64().
enhanced basic authorization to httpd-std

qse/lib/cmn/fma.c

@@ -38,6 +38,7 @@ qse_fma_t* qse_fma_open (
 		return QSE_NULL;
 	}
 
+	QSE_MEMSET (fma + 1, 0, xtnsize);
 	return fma;
 }