Disable QSocketNotifier while calling read/write callbacks
Fix tests
Ignore futures that are already done
Add tests
Improve tests
Handle problem of remove_reader being called too many times
Cache dependencies on Travis for faster builds
During tests, stop event loop in case of uncaught exception
Handle self._ssock being None
Fix travis caching
Merge branch 'master' of https://github.com/harvimt/quamash
Generate PySide wheel for Travis
Fix .travis.yml wrt. PySide wheel
Merge branch 'master' of github.com:aknuds1/quamash
Fix Travis build
Ignore socket notifiers that should be out of commission