fix KeyError
end-of-buffer should not be used because it spams 'mark set'
don't move point unless we have to do so for highlights
fixes #48
Update readme.
Merge branch 'fix-highlights-again' of github.com:Floobits/floobits-emacs into fix-highlights-again
Merge pull request #49 from Floobits/fix-highlights-again

Fix highlights again