add prax support

Signed-off-by: Zeljko <zeljko@zwr.fi>
bugfix: wrong file name in rake task

Signed-off-by: Zeljko <zeljko@zwr.fi>
bugfix: do not hardcode project name!

Signed-off-by: Zeljko <zeljko@zwr.fi>
bugfix: this was being deleted twice

Signed-off-by: Zeljko <zeljko@zwr.fi>
show the output of rake task

Signed-off-by: Zeljko <zeljko@zwr.fi>
bump version

Signed-off-by: Zeljko <zeljko@zwr.fi>