Suggest that the c211 libraries be rewritten to use define-record-type with the (nongenerative) parameter. This will allow us to use them directly in the autograder. As it is, when the library is loaded in the student scope and also in the grader scope, the record types are different and cannot be compared.

Note to self, see this: http://www.scheme.com/csug8/objects.html#./objects:h13

https://github.com/jpverkamp/wombat-ide/issues/24