V1.0.1 Update

Fixed bugs

• added default rating when creating new difficulty (if not, the application would crash while saving because of the lost of rating value)

Features changed

• moved "enable" option of difficulty outside the collapsible difficulty field
• added icon onto the expand/collapse button of difficulty
• application version updated to v1.0.1

Features added

• added version info in info page
• added rating preview of difficulty