Added an option to not parse output file

Just pass any value for noparseoutput when initializing the Espresso to
prevent the output from being parsed. This is useful when you only want
to get information from the input file.

eg.
with Espresso(espresso_dir, noparseoutput=True) as espresso_calc:
    …

Also got rid of the junk code I was also using to debug the
get_input_dict method I created a while ago.