moved python functions that deal with blender libdata into gen_library.c from gen_utils and BPY_interface

small cleanup, removed unused functions and explicetly cast pointers..

source/blender/python/api2_2x/Text3d.c

@@ -45,6 +45,7 @@
 #include "constant.h"
 #include "Font.h"
 #include "gen_utils.h"
+#include "gen_library.h"
 
 
 enum t3d_consts {