Shorten the tests
Introduce CmdCategory
Specify macros using the Macro command
Let '>' and '<' change targeting level in targeting mode
Add commands to ascend 10 levels at a time
Don't mention remote levels; this is too complex
Group command help by command categories

The order of commands is broken, because ConfigFile sorts then by keys.
Move default command definitions to content
Tidy up human commands
Move the ASCII art to the game directory
Rename the game content directory
Move all game-dependent files to GameDefinition
Let the Main Menu code use the CmdMenu definitions