Merge pull request pymeasure#398 from pymeasure/v0.9_release

v0.9 release

Merge pull request pymeasure#267 from ralph-group/v0.8_release

Update to v0.8

Merge pull request pymeasure#218 from ralph-group/v0.7_release

Version 0.7 release

Merge pull request pymeasure#189 from ralph-group/bump_to_0.6.1

Bump to 0.6.1

Merge pull request pymeasure#174 from ralph-group/v0.6_release

Version 0.6 bump

Bump to version 0.5.1

Bumping to version 0.5 (pymeasure#117)

Updating authors list

Bump to version 0.4.5

Updating CHANGES for version 0.4.4