v1.3.0

What's Changed

Security

• Use TLS instead of SSL for network connection

UI

• Fix bottom bar position issue in some special cases
• Remake & add settings and download buttons in the main menu
• Implement basic I18N framework (using Gettext PO)
• Use map to load needed font glyphs (especially for CJK fonts)
• Write skin changes to configuration file before reloading (to avoid data loss)

Gameplay

• Use customized colour for experimental slider borders
• Allow for extraordinary difficulty settings (staging, feel free to discuss about this)