Bump version: 2.0.0 → 2.0.1

Bump version: 1.5.6 → 2.0.0

Bump version: 1.5.5 → 1.5.6

Bump version: 1.5.4 → 1.5.5

Bump version: 1.5.2 → 1.5.3

Bump version: 1.5.1 → 1.5.2

Merge pull request dschick#91 from dschick/develop

update version to 1.5.0

Merge pull request dschick#85 from dschick/develop

new stable version 1.4.2

Merge branch 'develop'

Merge pull request dschick#54 from dschick:develop

update version to 1.1.0