Properly handle unicode in key parsing
Properly handle unicode in key parsing

Fixes #139

casimir/kakoune,jkonecny12/kakoune,Somasis/kakoune,Somasis/kakoune,alpha123/kakoune,danr/kakoune,danr/kakoune,danielma/kakoune,mawww/kakoune,elegios/kakoune,ekie/kakoune,lenormf/kakoune,alexherbo2/kakoune,alexherbo2/kakoune,danr/kakoune,occivink/kakoune,alpha123/kakoune,jjthrash/kakoune,lenormf/kakoune,Asenar/kakoune,jkonecny12/kakoune,zakgreant/kakoune,ekie/kakoune,jkonecny12/kakoune,casimir/kakoune,danielma/kakoune,flavius/kakoune,mawww/kakoune,danr/kakoune,elegios/kakoune,flavius/kakoune,lenormf/kakoune,lenormf/kakoune,Asenar/kakoune,xificurC/kakoune,Asenar/kakoune,xificurC/kakoune,rstacruz/kakoune,jjthrash/kakoune,xificurC/kakoune,rstacruz/kakoune,Somasis/kakoune,elegios/kakoune,zakgreant/kakoune,mawww/kakoune,elegios/kakoune,Somasis/kakoune,occivink/kakoune,flavius/kakoune,rstacruz/kakoune,zakgreant/kakoune,zakgreant/kakoune,jjthrash/kakoune,occivink/kakoune,xificurC/kakoune,alpha123/kakoune,ekie/kakoune,alpha123/kakoune,jkonecny12/kakoune,danielma/kakoune,mawww/kakoune,Asenar/kakoune,casimir/kakoune,ekie/kakoune,flavius/kakoune,alexherbo2/kakoune,rstacruz/kakoune,danielma/kakoune,alexherbo2/kakoune,jjthrash/kakoune,occivink/kakoune,casimir/kakoune