pyqtgraph 0.12.2

Merge pull request #1884 from pyqtgraph/ksunden-patch-1

Update version number

pyqtgraph 0.12.1

Merge pull request #1696 from j9ac9k/0.12.1-changelog

Add changelog for 0.12.1

pyqtgraph 0.12.0

Merge pull request #1655 from ksunden/prep0.12

Update version to 0.12.0

pyqtgraph 0.11.1

Merge pull request #1472 from ksunden/changelog

Update Changelog for release 0.11.1

pyqtgraph 0.11.0

pyqtgraph-0.11.0

Merge develop into master for release 0.11.0