#6 Annotates methods as @Deprecated, which should be removed.
#9 Adds implementation
#9 Adds Monster to IGameElement
#9 Adds Implementation
#9 Forwards the command_x methods to their ICommand implementation.
#9 Adds command classes.
#9 Adds implementation
#9 Adds command
#2 Adds spaces and curly brackets
#6 Adds @Deprecated to methods, which will be replaced by
IGameElementVisitor
#9 Update command_x methods, with XxxCommand instance and a call to the
execute(...) method.
#1 These unit test have been moved into the src/test/java directory
#10 Small text improvement
#11 Rename UC-01: Load Saved Game (was Load Existing Game)
#10 Makes reference to 'The Lamp' a nice link (YouTube)
#11 Sets up initial structure for command use cases
#11 Corrects writing mistake
#11 Adds content