Updated README to bring it up to date.  I've changed the copyright to be

Copyright © 2012 Joseph Abrahamson and contributors (see LICENSE.txt)

in line with usual practice.  Is that OK with everybody ?
docs on get and SVD fix #8
Renamed identity matrix function to eye. Closes #10.
Add a passthrough Matrix constructor.  Closes #9.
Reverted :url to main repo.