Initial migration of ffdb.py from https://github.com/kripken/emscripten over to this repository. See https://github.com/kripken/emscripten/issues/2553. For earlier development history, visit https://github.com/kripken/emscripten/commits/incoming/tools/ffdb.py .
Initial migration of emrun.py from https://github.com/kripken/emscripten over to this repository. See https://github.com/kripken/emscripten/issues/2553. For earlier development history, visit https://github.com/kripken/emscripten/commits/incoming/emrun .
Write a README.md.