Bump to 2.9.1

and twine

Merge pull request honeycombio#75 from honeycombio/tredman.post-context

[middleware] enable subclassing of other middleware implementations, remove POST in django

bump to 2.7.0

Merge pull request honeycombio#69 from honeycombio/travis.determinist…

…ic-sampler

[tracing] add interop test, fix deterministic sampler

Merge pull request honeycombio#67 from honeycombio/tredman.260

update to 2.6.0

Merge pull request honeycombio#63 from honeycombio/tredman.flask-fix

[middleware] support dict parameters type in flask middleware

Merge pull request honeycombio#60 from honeycombio/tredman.django-views

[django] include view name in built-in django instrumentation

Merge pull request honeycombio#59 from honeycombio/tredman.sql-fix

Bump dependency on libhoney to 1.7.0

Merge pull request honeycombio#57 from honeycombio/tredman.unicode-fix

[bugfix] safer handling of utf-8 encoded exceptions