Test German hyphenation

test with

- PyHyphen             https://github.com/dr-leo/PyHyphen
- PyHyphen (patched)
- hyphen.py            https://github.com/Kozea/Pyphen

test cases

- AlleDeutschenWoerter: https://github.com/cpos/AlleDeutschenWoerter
- wortliste:            https://github.com/davidak/wortliste
- german_words:         https://github.com/0LL13/german_words
- wordlist-german:      https://gist.github.com/MarvinJWendt/2f4f4154b8ae218600eb091a5706b5f4
- de_DE_frami:          https://github.com/LibreOffice/dictionaries/tree/master/de