jump: fix for `marks' and CTRL+G key binding
jump: fix for `marks' and CTRL+G key binding

- marks printed an error when $MARKPATH didn't exist or didn't have any marks
  in it.
- The CTRL+G key binding overwrote an argument when it couldn't match it to
  an existing mark.

monological/oh-my-zsh,monological/oh-my-zsh,monological/oh-my-zsh,monological/oh-my-zsh