Log message:
py-asyncpg: update to 0.13.0

v0.13.0
Backwards Incompatible Changes
------------------------------
Drop support for PostgreSQL 9.1
Remove the deprecated "binary" parameter from Connection.set_type_codec()

New Features
------------
Add support for PostgreSQL 10

Bug Fixes
---------
Document that single fetches can return None
Fix type introspection being very slow on large databases
Fix copy tests on PostgreSQL < 9.4
Fix DeprecationWarning in tests
Fix intermittent authentication failures against PostgreSQL 10 servers
Do not attempt to connect to Unix sockets on Windows when host is not set
Guard against incorrect use of resources associated with a connection
Warn when there are active listeners on a connection that is released
Add a test for cursors on a standby replica.
Clarify the argument/parameter count mismatch exception
Fix TypeError on get_attributes when result has no columns
protocol: Use try-finally explicitly every time we create a waiter
Call correct parent constructor in InterfaceWarning.__init__
Allow grabbing the version information programmatically.
Use the general statement cache for type introspection
Fix issues with inet type I/O
Handle inactive connection closes while stored in the pool

Log message:
asyncpg is a database interface library designed specifically for PostgreSQL
and Python/asyncio. asyncpg is an efficient, clean implementation of
PostgreSQL server binary protocol for use with Python's asyncio framework.