v1.31.0

Features

• add configurable checksumming for blob uploads and downloads (#246) (23b7d1c)
• add support for 'Blob.custom_time' and lifecycle rules (#199) (180873d)
• error message return from api (#235) (a8de586)
• storage: add support of daysSinceNoncurrentTime and noncurrentTimeBefore (#162) (136c097)
• pass 'client_options' to base class ctor (#225) (e1f91fc), closes #210
• rename 'Blob.download_as_{string,bytes}', add 'Blob.download_as_text' (#182) (73107c3)

Bug Fixes

• change datetime.now to utcnow (#251) (3465d08), closes #228
• extract hashes correctly during download (#238) (23cfb65)
• repair mal-formed docstring (#255) (e722376)

Documentation

• update docs build (via synth) (#222) (4c5adfa)