Began implementing fully isomorphic macros

Like Rust's Proc macros. Now we have preprocessor recursion to worry about. I also made a cool macro for enums

orchid-base/src/lib.rs

@@ -5,8 +5,6 @@ pub mod clone;
 pub mod combine;
 pub mod event;
 pub mod msg;
-// pub mod gen;
-pub mod api_utils;
 pub mod box_cow;
 pub mod char_filter;
 pub mod error;
@@ -18,7 +16,10 @@ pub mod logging;
 pub mod name;
 pub mod number;
 pub mod parse;
+pub mod pure_seq;
 pub mod reqnot;
 pub mod sequence;
 pub mod tokens;
 pub mod tree;
+pub mod macros;
+mod match_mapping;