volt: Modify calls to to!string to use toString.
semantic: Changes to allow extyper to be compiled by volt.
semantic: Move overload towards compiling with volt.
semantic: Move sort into proxy module to allow volt to compile volt.
semantic: Refactor classify to compile with volt.
semantic: Fix remaining modules to compile with volt.
visitor: Update visitor for passing.
token: Update token modules to compile with Volt.
parser: Update parser modules to compile with volt.
parser: Update statements to compile with volt.
token: Add allAttribute __trait to allow token to compile.