- new __main__ module wasnt de-referenced after adding into sys.modules

- made int buttons round floats better 10.6 --> 11

source/blender/editors/interface/interface.c

@@ -1644,7 +1644,7 @@ int ui_set_but_string(bContext *C, uiBut *but, const char *str)
 		value= atof(str);
 #endif
 
-		if(!ui_is_but_float(but)) value= (int)value;
+		if(!ui_is_but_float(but)) value= (int)floor(value + 0.5);
 		if(but->type==NUMABS) value= fabs(value);
 
 		/* not that we use hard limits here */

source/blender/python/intern/bpy_interface.c

@@ -159,6 +159,7 @@ static PyObject *CreateGlobalDictionary(bContext *C, const char *filename)
 	PyInterpreterState *interp= PyThreadState_GET()->interp;
 	PyObject *mod_main= PyModule_New("__main__");	
 	PyDict_SetItemString(interp->modules, "__main__", mod_main);
+	Py_DECREF(mod_main); /* sys.modules owns now */
 
 	PyModule_AddObject(mod_main, "__builtins__", interp->builtins);
 	PyModule_AddStringConstant(mod_main, "__name__", "__main__");