add new support for --EXPECTFILE--
add new support for --EXPECTFILE--

This allows passing in a file as the expected output.  The
contents of the file will be used for comparison to generated
output


marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core,marcosptf/pear-core