E9uations: v1.0.6 update

Puzzle Changes Minor adjustments: 3-13-H, 9-27, 9-inv4 Reduced difficulty: 3-11-H, 3-14, 8-7 Increased difficulty: 8-7-H Removed unintended solutions: 6-10, 9-22, 5-inv4 Bug Fixes Fixed visual bug in Chapter 8