Added container methods.
Display content of item is out.
Refactored, some methods put in World.hs
Various methods moved from GameData.
Improved (actually much improved) test framework.
Added the Use action.
Added singleAnswer here.
Added use and pick up verbs.
Removed tons of methods for ModelShortcuts.
This module compiled all shortcuts for state manipulation.
Fixed after refactoring. 40% of behaviour testing done.
Added a openDoor function.
Added the reversed possibility for verbs.
Reversed for verbs taken into account.
Added some verbs.
Fixed pickItemFromContainer
Refactored. Less ugly than before (but not a beauty yet).
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Added testing of reversed order of objects.
Moved BasicMove method to ModelShortcuts.