Bump version to 0.2.1

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

00:01:09

passed #97668
test:python3.7_stretch_pyqt5

00:01:10

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

00:00:59