Release v1.1.0

This release consists mostly of changes under-the-hood. Nonetheless, some noteworthy additions are:

• Small redesign
  • Dedicated navigation bar that routes to the various pages and a custom title bar. And in general a more consistent color scheme.
• Import options
  • Merge a topic with an already existing one or create a new one when importing.
  • Allow duplicate cards when importing.
• New card scheduling algorithm
  • Cards are now scheduled using the Fibonacci sequence. I felt that the exponential growth of doubling the days for each successful recall was a bit too much. It should be a bit more linear now.
• Store dates in ISO 8601
  • More a critical bug fix than feature. Dates are now independent of region.
• Bulk deletion of cards
  • Delete all selected cards.
• Sort topics
  • The topics listed in the sidebar are now sorted by name.