test_load
NAME
test_load - test if a file is loadable
SYNOPSIS
int test_load( string filename );
DESCRIPTION
Tests if a file is loadable. Will return 1 if a file is loadable,
otherwise 0. If a file attempting to be loaded contains errors,
they will be reported, in which case, you may need to wrap the
function call in a catch statement to retrieve the 0 result.