Release with -O3 instead of -Os, Debug version is shown in info

Core/Inc/at1_defines.h

@@ -26,8 +26,13 @@ extern "C" {
 #define STR(x) STR_HELPER(x)
 #endif
 #define VERSION_MAJOR 0
-#define VERSION_MINOR 3
-#define PROGRAM_ID "f0x.at1 Version " STR(VERSION_MAJOR) "." STR(VERSION_MINOR)
+#define VERSION_MINOR 4
+#ifdef DEBUG
+#define VERSION_DEBUG ".D"
+#else
+#define VERSION_DEBUG
+#endif
+#define PROGRAM_ID "f0x.at1 Version " STR(VERSION_MAJOR) "." STR(VERSION_MINOR) VERSION_DEBUG
 #define VERSION_STRING STR(VERSION_MAJOR) "." STR(VERION_MINOR)
 /*#define DATE __DATE__ */
 #define AUTHOR_STRING "Tom Kuschel KW4NZ"