Fixed gitignore
Added first pass of glider code
Merge branch 'whizzgraphics' of github.com:rattboi/gateboy into whizzgraphics
Fixed animation for glider
Updated checkerboard tester
Added comments to databus tester
Added comments to memory test
Fixed sprite testbench's comments
Added comments to data bus interface
Merge branch 'whizzgraphics' of github.com:rattboi/gateboy into whizzgraphics