To install, open a Chrome tab pointing to chrome://chrome/extensions/ and drag the CRX file (saved from the above link) onto the page.
NOTE: I no longer have access to the source for this extension, but you can alter the unpacked extension (to change ports, etc.) by using the procedure outlined at:
Someday I will unpack this for myself and post the source to GitHub.
I welcome your questions, comments, and suggestions, feel free to email me at firstname.lastname@example.org.