add some things

todo.md

@@ -2,12 +2,14 @@
 
 [x] colorize the assembly output
 [ ] rewrite disco tokenizer to the new generalTokenizer
+[ ] add an EOF token to earley, and yknow, add it to the tokenizer.
 [ ] add number support
 [ ] add comment support
 [ ] add fixed length array support
 [ ] organize AST elements into classes
 [ ] better logging of the AST
 [ ] optionally artifically slow down compilation (for fun)
+[ ] implement functions
 [ ] implement some basic maths operations
 [ ] implement multi-argument invocations
 [ ] implement return values