Release 1.8.2

Release v1.8.1

Fix timezone ticks, also for negative UTC

Also improve timestamp ticks a little.

New release

Make indexing warning public

This is a common source of problems, hopefully someone is helped.

Make API parameter name change public

Make new axis functionality official

Patch release

Bump pyqtgraph to 0.11.1

The last patch version of pyqtgraph supports PyQt's line drawing, in
which lines containing NaNs are not drawn at all.