Updated version info and HISTORY.rst.

Signed-off-by: danschef <daniel.scheffler@gfz-potsdam.de>
2 jobs for v0.3.1 in 34 seconds (queued for 1 minute and 6 seconds)
latest
Status Name Job ID Coverage
  Test
passed test_enpt_enmapboxapp #20217

00:00:19

passed test_styles #20218

00:00:15