bugfix for the e mapping
bugfix for the e mapping

if we were using e on the current dir (or a file in that dir) then we
would end up doing an ":edit" with no target. Now we use "." in
Path#strForEditCmd if it would resolve to an empty string

tschundler/dotfiles,iff/dotfiles-old,iff/dotfiles-old,nywilken/dotfiles,nywilken/dotfiles,tschundler/dotfiles,tschundler/dotfiles