Release 0.9.1
Relevant for library users:
- Support tvOS (#446)
- Improve Carthage compatibility (#493)
- Avoid linking nghttp2 in Carthage project (#450)
- Fix two memory leaks and update a link in the README. (#501)
- Fix a compiler warning. (#499)
- Fix libtool warning when compiling with bazel (#447)
Less visible changes: