Lets me use arrow keys to search bash history.
Fixes up/down arrow history on my Raspberry Pi.

When I use up/down arrow history, I want the cursor to land at the
end of the line, not the beginning.
Merge branch 'fix-zsh-up-arrow-history' into master.

This fixes up/down arrow history search on my Raspberry Pi so it works
the way I expect in zsh. The cursor should land at the end of the line.