Fix pywikid on osx

pywikid.md

How to fix pywikid on osx

Homebrew/legacy-homebrew#31432

sudo python -m easy_install --upgrade setuptools
sudo easy_install pip

http://stackoverflow.com/questions/19617686/trying-to-install-pycrypto-on-mac-osx-mavericks

ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future sudo -E pip install pycrypto

https://github.com/M2Crypto/M2Crypto/issues/24

brew install swig304
sudo pip install m2crypto