v0.2.1: updated Pryv client lib
v0.2.1: updated Pryv client lib & fixed hard-coded staging URL for auth....
Merge tag 'v0.2.1' into staging

* tag 'v0.2.1':
  v0.2.1: updated Pryv client lib & fixed hard-coded staging URL for auth....
  v0.2.1: updated Pryv client lib