Update httplib2 to 0.12.1

[pyup-bot]

This PR updates httplib2 from 0.10.3 to 0.12.1.

Changelog

0.12.1

Add support for Python 3.7

0.12.0

Drop support for Python 3.3

ca_certs from environment HTTPLIB2_CA_CERTS or certifi
https://github.com/httplib2/httplib2/pull/117

PROXY_TYPE_HTTP with non-empty user/pass raised TypeError: bytes required
https://github.com/httplib2/httplib2/pull/115

Revert http:443->https workaround
https://github.com/httplib2/httplib2/issues/112

eliminate connection pool read race
https://github.com/httplib2/httplib2/pull/110

cache: stronger safename
https://github.com/httplib2/httplib2/pull/101

0.11.3

No changes, just reupload of 0.11.2 after fixing automatic release conditions in Travis.

0.11.2

proxy: py3 NameError basestring
https://github.com/httplib2/httplib2/pull/100

0.11.1

Fix HTTP(S)ConnectionWithTimeout AttributeError proxy_info
https://github.com/httplib2/httplib2/pull/97

0.11.0

Add DigiCert Global Root G2 serial 033af1e6a711a9a0bb2864b11d09fae5
https://github.com/httplib2/httplib2/pull/91

python3 proxy support
https://github.com/httplib2/httplib2/pull/90

If no_proxy environment value ends with comma then proxy is not used
https://github.com/httplib2/httplib2/issues/11

fix UnicodeDecodeError using socks5 proxy
https://github.com/httplib2/httplib2/pull/64

Respect NO_PROXY env var in proxy_info_from_url
https://github.com/httplib2/httplib2/pull/58

NO_PROXY=bar was matching foobar (suffix without dot delimiter)
New behavior matches curl/wget:
- no_proxy=foo.bar will only skip proxy for exact hostname match
- no_proxy=.wild.card will skip proxy for any.subdomains.wild.card
https://github.com/httplib2/httplib2/issues/94

Bugfix for Content-Encoding: deflate
https://stackoverflow.com/a/22311297

Links

• PyPI: https://pypi.org/project/httplib2
• Changelog: https://pyup.io/changelogs/httplib2/
• Repo: https://github.com/httplib2/httplib2