CHANGES IN VERSION 0.5.10 - Released 2015/02/16

CODE IMPROVEMENTS

* retistruct:::bary.to.sphere.cart() and
  retistruct:::sphere.cart.to.sphere.spherical() are exported.
  (https://github.com/davidcsterratt/retistruct/issues/2) 
  Thanks to Brian Cohn for the request.

BUG FIXES

* The message produced by delaunayn() in geometry package 0.3-5 has
  been suppressed.
  https://github.com/davidcsterratt/retistruct/issues/3
  Thanks to Brian Cohn for the report.