added some simple tests
Merge branch 'master' of https://github.com/mnaamani/crypto-emscripten
Merge branch 'master' of https://github.com/mnaamani/crypto-emscripten
python3 compatibility

On Archlinux python defaults to python 3. So this change allows to run the script with python 3 (there is no execfile in python3).
Merge pull request #3 from franziskuskiefer/patch-1

python3 compatibility
don't embed key
added some tests and pake stuff
Merge branch 'master' of https://github.com/mnaamani/crypto-emscripten
pow tests