Got rid of macglue.h, replacing it by pymactoolbox.h where relevant.
Cleaned up various things in the toolbox modules.
diff --git a/Mac/Modules/gestaltmodule.c b/Mac/Modules/gestaltmodule.c
index 8097de8..f82687e 100644
--- a/Mac/Modules/gestaltmodule.c
+++ b/Mac/Modules/gestaltmodule.c
@@ -25,7 +25,7 @@
 /* Macintosh Gestalt interface */
 
 #include "Python.h"
-#include "macglue.h"
+#include "pymactoolbox.h"
 
 #include <Carbon/Carbon.h>