⬆ ⬆ ⬇ ⬇ ⬅ ➡ ⬅ ➡🅱 !🅰

Bugfix release and minor features requested for upcoming Level 9 Compilation release.

NEW: Complete rewrite of input handler code to match drawing API
FIX: Map cursor keys to match NextZXOS uses by default
FIX: Map MD/SMS buttons to match NextZXOS uses by default (B = Fire1, C = Fire2)

Full Changelog: v0.4.0...v0.4.1