Support DuniterPy v1.0 Breaking Backward compatible changes in Documents classes

DuniterPy v1.0.0rc0 changelog

• BlockUID.block_uid() -> BlockID.get_block_id
• tx, cert, membership commands based on Document sub-classes

changed milestone to %0.10.0

added BBC D: Certification D: Identity D: Membership D: Transfer DuniterPy labels

mentioned in merge request !182 (merged)

mentioned in commit 662a83a7

mentioned in commit c9d0ee14

mentioned in commit a7460221

closed with merge request !182 (merged)

changed title from Support DuniterPy v1.0 Breaking Backward compatible changes in Documents methods to Support DuniterPy v1.0 Breaking Backward compatible changes in Documents classes