Bump version: 0.8.4 → 0.8.5 (oceanprotocol#579)

Feature/re add get provider address (oceanprotocol#516)

Re-add DataServiceProvider.get_provider_address

Feature/bump contracts 0.6.9 (oceanprotocol#515)

* bump contracts & add more networks

Bump version: 0.8.1 → 0.8.2 (oceanprotocol#513)

v0.8.1 with corrections (oceanprotocol#501)

* Corrections for 0.8.1.
* Bump version: 0.8.0 → 0.8.1

Bump version: 0.7.0 → 0.8.0 (oceanprotocol#500)

Bump version: 0.6.1 → 0.7.0 (oceanprotocol#498)

Upgrade contracts dependency. (oceanprotocol#484)

* Upgrade contracts dependency.
* Bump version: 0.6.0 → 0.6.1

Bump version: 0.5.30 → 0.6.0 (oceanprotocol#483)

* Remove docs reference in bumpversion.cfg.
* Bump version: 0.5.30 → 0.6.0

Bump version: 0.5.29 → 0.5.30 (oceanprotocol#432)