Add logo.
Add a better description of the tool.
Add new words from Wikipedia.

Ville added the new words.
I removed dumb tests.

A double win!
Merge branch 'master' of https://github.com/lyda/misspell-check

Conflicts:
	misspellings_lib.py
	setup.py
	tests/test_class.py
	tests/test_cli.py