Code review comment for lp:~florian-angermeier/contractor/filter-functions-based-on-file-size

> Nice work, thanks :)
>
> See below a few comments about code style and some other things.
>
> We also need documentations for the public methods to get this merged, which
> will be used to generate the api docs (see other files (e.g. the widgets are
> well documented) if you are looking for examples).

=== modified file 'src/Contract.vala'
 --- src/Contract.vala 2013-05-20 04:55:11 +0000
 +++ src/Contract.vala 2015-09-13 00:54:10 +0000
 @@ -72,6 +77,12 @@
              } catch (Error err) {
                  warning ("Contract '%s' does not provide an icon (%s)", id, err.message);
              }
 +
 + try {
 + max_file_size = keyfile.get_max_file_size ();
 + } catch (Error err) {
 + warning ("Contract '%s' does not provide a max file size (%s)", id, err.message);

Should I change the warning outputs of all optional contract fields to debug outputs?