Bump version to 0.2.1

3 jobs for release_0.2.1 in 2 minutes and 10 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test Library
passed test:python3.5-stretch-pyqt5 #97667

00:01:09

passed test:python3.7_stretch_pyqt5 #97668

00:01:10

 
  Test Notbooks
passed test:test-tomoscan-tutorials #97669

00:00:59