switch to util::waitpid
idiomatic rust
idiomatic rust
Merge branch 'master' of https://github.com/glycerine/rustxi

Conflicts:
	src/rustxi/main.rs
replace printf{,ln}! with print{,ln}! as printf{,ln}! are removed from libstd
able to compile
Merge pull request #3 from mrordinaire/hello-world

Hello world