Added empty shell for player and began building out enemies;
Built initial settings for player.
Added player movement and refined enemy lane y coordinates.
Added width and height to image objects;
Added multiple player capability to the Player object.
Added multiple player capability to enemy.
Added collision detection.
Added fly-off-screen to player when hit.
Refectored much of the code to make it cleaner.
Added start screen with player rotation and selection.
Added rotating palyer selection start screen.
Cleaned up the code that selects the player on startup.
Refined startup.
Made gem fly down to acquired zone when retrieved.
Refactored function calls to logical locations

Moved all inter-object function calls into the engine.
More comments and cleanup.
Final cleanup.
Merge branch 'my-mods'
Final notes added to readme.md file.