Log message:
py-aiohttp-socks: updated to 0.3.7

0.3.7:
Merge pull request 15 from rytilahti/proxyerror_fix_socks4_errcode

0.3.6:
Merge pull request 14 from rytilahti/proxyerror_pass_errorcode

0.3.5:
Merge pull request 13 from rytilahti/use_timeouts_for_negotiation

0.3.4:
Resolve proxy host explicitly

0.3.3:
Add Proxy chaining support

0.3.2:
Fix StreamSocketReadWriteMixin.read_all

0.3.1:
Add HTTP proxy support

Log message:
Import www/py-aiohttp-socks from wip

This is a dependency of wip/electrum, with the goal of importing
wip/electrum later on.

SOCKS proxy connector for aiohttp. SOCKS4(a) and SOCKS5 are supported.