The `cd' function in "cd.bash" uses Bash's builtin directory stack.
Shorten the prompt by using `~' to denote the home directory.  Duh.
Option `--nofilter' in version 2 of `ack' makes the redirection of STDIN unnecessary.
alias `eshell_set_buffer_name' to `nb' ("name buffer") if available (inside Emacs' comint-mode).
Add PortableGit's MinGW to the end of PATH to avoid conflicts with Cygwin.
Adjust path to `xml_validate' after moving dir.