Add macro to check for not null variables
Add macro to check for not null variables

mikymod/crown,taylor001/crown,mikymod/crown,galek/crown,galek/crown,mikymod/crown,taylor001/crown,galek/crown,dbartolini/crown,taylor001/crown,dbartolini/crown,dbartolini/crown,mikymod/crown,taylor001/crown,galek/crown,dbartolini/crown