~~~~~~~~~~~~~~~~~~~
- Drops Python 3.6 support.
[Daverball]
- Normalizes availability partitions on 23/25 hours to a 24 hour day
so that DST transition days can be rendered the same as regular days.
This can optionally be avoided by passing ``normalize_dst=False`` to
the function.
[Daverball]
- Adds ``Allocation.normalized_availability`` that reports the
availability in the same normalized way.
[Daverball]
- Adds extra parameters to ``Allocation.limit_timespan`` that match
the new parameters added to ``sedate.get_date_range``.
[Daverball]