Initial commit
the first version
Update README.md
Update README.md
show score more pretty and refine the collision detection
fix some bugs
discard window.py
tune parameters to make the physics of game close to real world
tiny changes
remove pybird dir
Add 'pybird/' from commit '5997f8b1048309717e04c8171231b919e140e0d9'

git-subtree-dir: pybird
git-subtree-mainline: 2111e27bf32227befe4215f67e4cb8f8ecc31302
git-subtree-split: 5997f8b1048309717e04c8171231b919e140e0d9
fix bug
fix bug
change sample bot
Merge commit 'e10d9a1177fc1ced474c4f99f5bbfe1896daedc0'
tiny change
fix bug
refine sample
Merge commit 'e99d45d79dea39ab0f2f2ecb3531ca29da07271c'
faster learning process