Add autotools files.
Ignore automatically generated autotools files.
Adding "Building" and "Running Examples" sections to README.
Ignore compiled guile files.
Rewrite game loop to use pure functions.
Update TODO.
Use hooks instead of primitive callback procedures.
Update examples.
Fix figl enum.
Update README.
Fix embarrassing typo.
Update example code in README.
Tweak links in README in the hopes that github will parse the file correctly now.
Only update sprite vertex list when the sprite is dirty.
Create actions module which only has a lerp action thus far.
Add action example.
Refactor sprite vertex packing.
Only perform sprite rotation math when necessary.
Improve game loop.

Instead of a busy loop that eats all of the CPU, sleep in-between frames when possible.
Use the current-time argument in time-left.