v0.12.0

New Features

• Implement as_dict() method for PostgresMessage.
  (by @vitaly-burovoy in 90725f1)

• Add API for receiving log messages connection.add_log_listener().
  (by @vitaly-burovoy and @1st1 in 1b1893d and f072f88 for #144)

• Add support for "tuple" exchange format for codec overrides.
  (by @elprans in 0453243 and d27dda7)

• Implement binary format codec for numeric type.
  (by @elprans in a5413eb for #157)

Bug Fixes

• Fix boundary checks for integers.
  (by @vitaly-burovoy in e082910 and dfcf135)

• Fix handling of NULLs in copy_records_to_table().
  (by @elprans in 991b1ae for #153)

• Raise an error when a binary COPY FROM is attempted w/o appropriate codec.
  (by @elprans in 7aac14e for #157)

• Fix Record.items() to support duplicate keys. See #28 for details.
  (by @1st1 in 39b390c for #28)

• Fix Record.keys() to correctly return duplicate keys. See #28.
  (by @1st1 in b06114d for #28)

• Call notifications listeners using loop.call_soon().
  (by @1st1 in 83d08bd)

• Make PoolConnectionProxy more dynamic. Fixes #155.
  (by @1st1 in 6ca1f28 for #155)

• Make sure set_type_codec() overrides core codec for all formats.
  (by @elprans in 9c32b86 for #140)

• New severity "V" field as "severity_en" attribute.
  (by @vitaly-burovoy in 35bce5a)

• Make interval decoding logic match that of psycopg2.
  (by @elprans in 6b48443 for #150)