Patch Release 0.11, apk included

What's Changed

• [add-characters] Note, need rig from blender, not used in game by @Hunter1pro in #16
• Feature/extend editor skyboxes by @Hunter1pro in #17
• [editor-items-remove] by @Hunter1pro in #18
• [cleanupcode] by @Hunter1pro in #19

Full Changelog: 0.1...0.11