cl-lexer: Move lexer into its own crate

cl-interpret/Cargo.toml

@@ -13,5 +13,5 @@ cl-structures = { path = "../cl-structures" }
 
 
 [dev-dependencies]
-conlang = { path = "../libconlang" }
+cl-lexer = { path = "../cl-lexer" }
 cl-parser = { path = "../cl-parser" }

cl-interpret/src/tests.rs

@@ -2,7 +2,7 @@
 use crate::{env::Environment, temp_type_impl::ConValue, Interpret};
 use cl_ast::*;
 use cl_parser::Parser;
-use conlang::lexer::Lexer;
+use cl_lexer::Lexer;
 pub use macros::*;
 
 mod macros {