Merge tag '0.1.2' into develop

update dokumentation and tests
add dropdown to change chart type
change type selection to buttons
Merge branch 'feature/switchChart' into develop
Merge tag '0.1.3' into develop

Tagging version 0.1.3 0.1.3
Add Y label
added test for PR #14
Merge branch 'JohanLorenzo-add-y-label' into develop
preparing release 0.1.4
Merge branch 'release/0.1.4'