Version 2.3.1

Features:

• No 5 riders required for submission.
• Beside the date range, all stages with rewards are shown in the Races tab.

Bugfixes:

• Fix filter for 'Upcoming Races' and 'Latest Results'.
• Fix extracting start times for CET timezone.
• Fix not open for submission when deadline time was unknown.

Other changes:

• Default race filter from -1 day until +30 days.
• Better claim rewards button.