Add ri() in irb config
Add jek-change-date, a nice way to change the date of a file without a really long mv command
Merge branch 'master' of github.com:parkr/dotfiles

* 'master' of github.com:parkr/dotfiles:
  Add mcd, which just does mkdir && cd
  Add sum, a nice way to sum input.
  Add fname, a nice way to search for files with a given name.
  Add comments to copied scripts.
  Add psgrep, an easy way to grep over processes.
  update Command-T revision (v1.4)
  Add lt, a way of quickly tailing an ls command.