Experimental work for learning purposes.
Merge branch 'master' into wrb
working on newvalue stuff
Experimental question which captures values of expressions, variables, and parse tree.
Merge branch 'master' into f.aggregate_shellq
Added memory to ExperimentalQuestion. Locals are appropriately modified when question is answered correctly and passed as  from question to question.
Merge branch 'master' into f.aggregate_shellq
Renamed ExperimentalQuestion to RecordingQuestion and made it abstract.
Merge branch 'master' into f.aggregate_shellq
Renamed Experimental.py to Recording.py. Made minor changes to PrintingQuestion.
Mostly cosmetic changes.
Attempt to resolve Issue #27, Decide on standard place for user data.
Merge branch 'master' into f.aggregate_shellq
Cosmetic changes
Merge branch 'master' into f.aggregate_shellq
Merge branch 'master' into f.aggregate_shellq
Fixed a problem in tricky.yaml, but the file is obsolete and should be removed.
Merge branch 'master' into f.aggregate_shellq