Do not lose history when reloading a buffer
Do not lose history when reloading a buffer

Fixes #157

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