fixes #1340 -- use pypy 2.4.0 now that it's out
bump pyenv version
bleh update first
Merge pull request #1351 from alex/pypy-2.4

fixes #1340 -- use pypy 2.4.0 now that it's out
Remove (apparently) unneeded line
Merge pull request #1354 from alex/cleanup-travis-install

Remove (apparently) unneeded line
Part 1 of rebase, with corrections for pep8
Added all changes lost in merge reset
Corrected tests
Part 1 of rebase, with corrections for pep8
Added all changes lost in merge reset
Corrected tests
Added code and tests of EC public keys
flake8
Update multibackend.py

Inserted missing newlines
Added missing newline, corrected changes
Merge branch 'public_key_pem' of https://github.com/michael-hart/cryptography into public_key_pem