Got blocks falling
Garbage block now falls correctly
Added grid functions as placeholders for implementation of garbage disappearing
Fixed tests to accomodate new logic for adding padding to the grid
Added test for garbage matching
Got code and tests around finding adjacent garbage blocks
Got dissolve block being created
Got dissolve block showing pending blocks
Got dissolved blocks resolving
Improved display of dissolved blocks
Fixed bug with matching clearing garbage blocks even when not touching
Factored out the function which generates occupied points of a garbage block
Garbage blocks no longer fall through each other
Added outline around dissolve blocks
Added garbage falling every 101 clock ticks
Fixed problem with display of border around dissolve block