Correctly set initial values for parameters.
Use rule let_decls to enforce decls after let.
Add an expectation to do rule.
Update TODO comments in loader.C.
Add space.
Add error handler for stmts and stmt.
Move right curly into stmts rule.
Fix parsing of do { e ;} and adjust desugaring.
Expect something after the <-
Use *( ) instead of recursive pattern matching.