Ltablib (#5)

* Single function compiling and passing tests

* Migrated ltablib.c to ltablib.rs

* Cargo fmt

* Refactoring ltablib.rs

* Cargo fmt

* Use Rust lapi and lauxlib functions

Author: wjhoward

build/build.rs

@@ -19,7 +19,6 @@ fn main() {
         .file("build/lmathlib.c")
         .file("build/loslib.c")
         .file("build/lstrlib.c")
-        .file("build/ltablib.c")
         .file("build/lua.c")
         .compile("lua");
 }