1.6.0

Functionality:

• Single-line reversed cards (front::back & back:::front cards are added)
• Multi-line reversed cards (front??back & back??front cards are added)
• Ability to ignore flashcards for a while by wrapping them in HTML comments

Bug Fixes:

• Blank lines in code blocks are now supported
• Fixed saving of some settings options

QoL improvements:

• Caching of scheduling information (should drastically reduce processing time)