Fix test case code being selected after load.
Fix inconsistencies in js output.
Fix print with no arguments throwing js error.
Add clear and autoscroll options to stdout (js).
Force stderr font to be monospace.
Fix lexer errors not showing lines.
Add basic shallow clone builtin
Fix self-capture in module inheritance
Add BasicGrace pseudoclass to prelude
Add clone method to JS
Update dialects to use BasicGrace inheritance
Update dialect dialect example for clarity
Stop running field initialisers twice