[fix] #58 fix reverse_url path bug

duniterpy/api/client.py

examples/create_and_publish_identity.py

examples/request_data.py

examples/request_data_async.py

examples/request_data_elasticsearch.py

examples/request_web_socket_block.py

examples/request_ws2p.py

examples/save_revoke_document.py

examples/send_certification.py

examples/send_membership.py

examples/send_transaction.py