vla/life: '{}' isn't standard C
vla/life: be more careful with `gwip` ^^;
vla/life: turn it into a graphical program
vla/life: misc fixes
vla/life: fix wrong coordinates calculations
vla: add game of life
vla/md5&sha256: fix some int types
vla: add sha256sum
vla/md5: style changes
vla/md5: bugfix
vla: md5sum