v0.13.0

Backwards Incompatible Changes

• Drop support for PostgreSQL 9.1
  (by @elprans in eaf298b)

• Remove the deprecated "binary" parameter from Connection.set_type_codec()
  (by @elprans in 9ad6625)

New Features

• Add support for PostgreSQL 10
  (by @elprans)

Bug Fixes

• Document that single fetches can return None
  (by @khazhyk in 23394c9)

• Fix type introspection being very slow on large databases
  (by @elprans in e0c44ce for #186)

• Fix copy tests on PostgreSQL < 9.4
  (by @elprans in 327058f)

• Fix DeprecationWarning in tests
  (by @elprans in 3f9523c)

• Fix intermittent authentication failures against PostgreSQL 10 servers
  (by @elprans in 498213e for #158)

• Do not attempt to connect to Unix sockets on Windows when host is not set
  (by @elprans in 8a32fc4 for #184)

• Guard against incorrect use of resources associated with a connection
  (by @elprans in 089ac81, 93bf26f for #190)

• Warn when there are active listeners on a connection that is released
  (by @elprans in d085d2c for #190)

• Add a test for cursors on a standby replica.
  (by @elprans in c484a47 for #66)

• Clarify the argument/parameter count mismatch exception
  (by @elprans in b6fe018 for #178)

• Fix TypeError on get_attributes when result has no columns
  (by @fantix in f29de23)

• protocol: Use try-finally explicitly every time we create a waiter
  (by @1st1 in 50edd8c)

• Call correct parent constructor in InterfaceWarning.__init__
  (by @elprans in eec98b0)

• Allow grabbing the version information programmatically.
  (by @s0undt3ch in fa6dbc4)

• Use the general statement cache for type introspection
  (by @elprans in 57c9ffd for #198)

• Fix issues with inet type I/O
  (by @elprans in e54f02e for #37)

• Handle inactive connection closes while stored in the pool
  (by @AmatanHead in 9744ade)