feat: use six.text_type instead of six.string_types
1.10.0
feat: Add `--verbose` flag with some initial commentary bug: Update tests to use latest VAPID version
1.9.4
bug: update vapid `exp` header if missing or expired
1.7.0
0.7.0
feat: update to http-ece 0.7.0 (with draft-06 support) feat: Allow empty payloads for send() feat: Add python3 classfiers & python3.6 travis tests feat: Add README.rst bug: change long to int to support python3