v0.19.0

What's Changed

• [Devtools] Add taking screenshots feature by @elgopher in #61
• Rename package vm to mem by @elgopher in #62
• [refactor] rename vm.go to mem.go by @elgopher in #63
• [devtools] Hide screen inspector when cursor is outside the window by @elgopher in #64
• [backend] Add ability to go fullscreen by @elgopher in #65
• breaking changes: Make low-level API safer to use by @elgopher in #66

Full Changelog: v0.18.2...v0.19.0