Escape arguments in `git-bgrep`.
Add the `--show-email` option to `git-rank-contributors`.
Add a trailing `-` to some git aliases.
Fix the `filter "media"` section of `gitconfig`.
Add `\timing` to psqlrc.
Add `HISTCONTROL ignoreboth` to psqlrc.
Add `null '[NULL]'` to psqlrc.
Add `\x auto` to psqlrc.
Add `LESS -imx4` to psqlrc.
Update `PAGER` env value.