Changing size of cells
Fixing bugs with direction movements
Adding function for drawing instructions
fleshing out DisplayInstructions functions
Adding initial instruction tiles
Adding function to load tiles
Tileset gets loaded into DrawingConfig
Tiles actually get drawn
Adding GridCoord data type
Using GridCoord data type in correct places

Should make it harder to inadvertantly pass canvas coordinates to grid
positions
Adding CanvasCoord data type
Using CanvasCoord data type
Using GridCoord data type with Cursor
Adding Fungus specific events
Adding InsertMode event state machine
Adding LetterKey data type
Creating separate package to contain the Eventing System
Main class uses event system now