python-sortedcontainers-1.5.9-bp151.3.1

- update to version 1.5.9:
  * Dropped CPython 2.6 testing.
- changes from version 1.5.8:
  * Bugfixes
    + Added SortedList.reverse to override MutableSequence.reverse and
    raise NotImplementedError.

- Update to version 1.5.7
  * Changed ``SortedList.__setitem__`` to support slices with stop
    less than start and step equal one.
  1.5.6:
  * Changed ``SortedList.__setitem__`` to support slices that alias
    itself.
  1.5.5:
  * Changed ``SortedList.extend`` to support empty iterables.
  1.5.4:
  * Changed ``SortedList.__new__`` to call
    ``SortedListWithKey.__init__`` once instead of twice.
- Build HTML documentation and put it into -doc subpackage
- Enabled tests
- Converted to singlespec

- Update to 1.5.3
  * No upstream changelog

- Initial version