Loslib (#13)

* Initial commit

* loslib.rs refactoring

* loslib.rs refactoring

* Cargo fmt

* libc imports

* Move lapi to imports

* import lauxlib

* Fix up libc stuff

* Move more types around

* Fix a couple of types that are more strict

* cargo fmt

Co-authored-by: Tomas Doran <tdoran@yelp.com>

Author: wjhoward

build/build.rs

@@ -15,7 +15,6 @@ fn main() {
         .file("build/lcorolib.c")
         .file("build/ldblib.c")
         .file("build/liolib.c")
-        .file("build/loslib.c")
         .file("build/lstrlib.c")
         .file("build/lua.c")
         .compile("lua");