Cleanup README and utils imports
Commit before fixing .gitignore
Fix .gitignore stuff
Don't make .gitignore ignore itself
Cleanup of imports, add setup.py
Use `argparse` module for argument parsing
Fall back to optparse if argparse isn't available
Merge branch 'master' into interface

Conflicts:
	TODO.md
	dyssh/__init__.py
	dyssh/utils/__init__.py