Added utf-8 support

This kind of detail matters for non-english users...
Merge pull request #1 from baldurmen/patch-1

Added utf-8 support
Merge pull request #2 from baldurmen/master

README update, spelling corrections, utf-8 gizmos
Let a place for baldurmen
Merge pull request #3 from baldurmen/master

Progressing toward version 1.00
docopt fixes
pep8
Merge pull request #4 from rwmpelstilzchen/master

`docopt` incorrect usage + pep8
Merge branch 'master' of github.com:ook/isbg