stream.hls: Rename session to session_ on HLSStream.
stream.hls: Fix last argument conflict.
docs: Fix typo.
cli: Add protocol to proxies if missing.
plugins.justintv_common: Fix channel subscription.
plugin: Strip unwanted characters from stream names.
win32: Include pyCrypto in the build.
docs: Add Github issue integration.
Update CHANGELOG.rst.
docs: Re-arrange the CLI docs a bit.
Release version 1.7.0.
Merge branch 'release/1.7.0' into develop
stream.hds: Check for height aswell when parsing manifests.
stream.hds: Only autoadd the hdcore param to akamai streams.
stream.hds: Don't use the movie identifier.
cli: Fix back-slash issue in --player-args.

Fixes #218.
setup.py: Force requests 1.x on Python <2.6.3.
packages.pbs: Stop hash() from working in Python 2, to match Python 3 behaviour.

This avoids DeprecationWarning warnings when running with “python2 -3”.
docs: Document how to configure options that don’t take an argument.
packages.pbs: Close new pipe to background process immediately.

Otherwise it would be left open for at least the lifetime of the process
object, and garbage collection would trigger a ResourceWarning.

Also rename the “stdin” variables to be less confusing.