Update version to 1.4

New version 1.3

Merge pull request #15 from marvinweber/fix/logger-unimplemented-method

Fix-version 1.2.1

Update README.md

Merge pull request #7 from marvinweber/v1.1.1-develop

Changes for Release v1.1.1

Merge pull request #3 from weberonede/v1.1.0

Version 1.1.0

Merge pull request #2 from weberonede/v1.0.0

v1.0.0

init