Completed docs, added icon

src/stl/mk_stl.rs

@@ -6,6 +6,8 @@ use super::str::str;
 use crate::interner::Interner;
 use crate::pipeline::ConstTree;
 
+/// Build the standard library used by the interpreter by combining the other
+/// libraries
 pub fn mk_stl(i: &Interner) -> ConstTree {
   cpsio(i) + conv(i) + bool(i) + str(i) + num(i)
 }