Content Update 1.1 -> 1.2

Added the following features for version 1.2:

Content:

• New audio system
  • Music
  • Sound effects
  • Pausing for both music and audio
• Deeper scoring system
  • More types of scores
  • Score multiplier based on difficulty
• Enhanced difficulty
  • Added text descriptions in settings page
  • Added possible negative values in higher difficulties

Fixes/minor adjustments:

• Tweaked raw difficulty
• Optimized a lot of code for readability
• Fixed some minor bugs
• Changed some page names