April 1, 2013
0.1.5
  Forgot to add bin/ directory
0.1.4
  Added RDFfromDX.py script
0.1.3
  Changed RDF to interpolate from 200 points
  Added simple RDF tests
Mar 20, 2013
0.1.2
  Allowed dx reader to read different dx formats.

0.1.1
  - Fixed bug in getlinearweightsandindices in the case of lying exactly
    on a grid point.
