Add egg-info to ignore.
Fix strict function declaration prototype warnings
Fix pointer warning in test vectors function

Fix pointer warning in calling NESSIEAdd with inline text by casting to
unsigned char *
Fix pointer warning in fprintf call
Add classifiers to setup and version as 0.4.dev1
Port to Python 3
Update documentation and setup.py classifiers
Merge pull request #2 from oohlaf/master

Port to Python 3