made black less dark
Update README.md
removed screenshots from repo
glPolygonOffset tweaks
builder flexibility
performance enhancement - don't hit db if no sign to delete

client performance improvements

no strlen

performance tweaks
slight client refactor - give main all commands available at once
one client read per frame
only redraw chunk when server has sent all blocks for it
more performance improvements
performance tweak with early check in is_transparent
sign caching needs work, temporary workaround
refactored main.c so the main function isn't so big
rollback due to bug
fixed bug
minor fix
added RENDER_SIGN_RADIUS
track min and max y value per chunk for use in chunk_visible
minor fix
ao improvement