Release v0.7.1

Merge pull request #77 from roocs/prep-rel-v0.7.0

release v0.7.0

Prep rel v0.6.0 (#73)

* transfered repo to roocs orga

* release v0.6.0

Merge pull request #65 from cehbrecht/prep-rel-0.5.0

release v0.5.0

Merge pull request #57 from cehbrecht/prep-rel-0.4.0

rel 0.4.0

prep rel 0.3.0 (#44)

release v0.2.0 (#20)

Merge pull request #11 from cehbrecht/prep-rel-0.1.0

prep release v0.1.0