Bump to version 0.9.1

If anyone can tell me how to reproduce the ZModem upload bug, I would
be happy to fix it now and push out another source and Win32 release...

src/syncterm/syncterm.c

@@ -28,7 +28,7 @@
 #include "uifcinit.h"
 #include "window.h"
 
-char* syncterm_version = "SyncTERM 0.9.0"
+char* syncterm_version = "SyncTERM 0.9.1"
 #ifdef _DEBUG
 	" Debug ("__DATE__")"
 #endif