v4.0.0: Merge pull request #53 from Fahreeve/v4

replace aiosocksy to aiohttp-socks
rename Socks5Driver to ProxyDriver (suuports http, socks4, socks5 and TCP proxy)
rename methods in BaseDriver
add support iteration over LongPoll events
add AsyncVkExecuteRequestPool for execute method
update requirements version
drop support python3.5
rewrite tests with pytest

v3.0.0

drop support aiohttp 2
add support aiohttp 3.2+
refactoring tests

v2.2.1

pypi fix
nothing new

v2.2.0

add support Bots Long Poll API
rename LongPoll to UserLongPoll

v2.1.1

Fix unclosed session

v2.1.0

update default vk api version, rename authosation to authorization

2.0.0

Add support latest versions aiohttp, update all requirements, add lazy api

1.3.1

LongPoll class added to init.py

v1.3.0

Provide optional session object to HttpDriver

v1.2.2

Fix NameError: name 'ProxyConnector' is not defined