Merge pull request #82 from code-newbies/dg_create_combat_system

Tests pass after changing command line engine.

Merge pull request #81 from code-newbies/pg-bacon-game-end

fixes intermittent bug in test_level_loader

adds missing map key info

adds last two features. bacon. game end text.

Verifies that keys aren't already reserved when adding direction commands

Merge pull request #80 from code-newbies/dg_create_combat_system

Now Passes HP tests

Reconciled dual health point attributes

Merge pull request #77 from code-newbies/dg_create_combat_system

All tests now pass.

Fixed Merge issues

Merge pull request #76 from code-newbies/pg-display-hit-points

Monster Target is now a Locatable object, instead of a tuple.