Increased maximum number of timers to 64;

Redid some things in serial_old.c;
Made win_serial.c only compile and link if make is started with WALTJE=y;
The NVR path text box in the Settings dialog now has ES_AUTOHSCROLL set.

src/timer.c

@@ -8,7 +8,7 @@
 #include "sound_wss.h"*/
 #include "timer.h"
 
-#define TIMERS_MAX 32
+#define TIMERS_MAX 64
 
 int TIMER_USEC;