* Update tests.patch
* release.nix fixes for building and running cabal test suite from inside the nix-shell environment
* Update build instructions
* More README updates
* Fix stack tooling and improve documentation
* Update grpc sha256, cleanup build instructions
* Whups, DYLD_LIBRARY_PATH and substituteInPlace is still needed for hydra / macos builds with no brew-installed grpc!
* PR feedback tweaks
* update channel arg names, add compression level arg support, add compression level arg test
* switch to temp test demonstrating bug in grpc 0.15.0
* memset op array to 0
* switch examples back
* Switch to newer `grpc` and enable tests in `release.nix`
* Split out `simple-server` test into separate shell script
* Fix bash invocation
* Add intermediate `./default-tests.nix` build
* Add `tests.patch` to version control
* Split `python` command into separate script
* Provide `python` via `nix`