update to 0.18.3 to put package back on CRAN * update to 0.18.1 to delete rhdf5 package reference EVERY WHERE * delete package suggest dependencies hexbin * clean reference to rhdf5 package EVERYWHERE * delete in doc function "\link" to prevent CRAN NOTE + build site updated * up version to fix last reference to rhdf5 pacakge * Bump to 0.18.3 revdep check ok * update licence file to GLP 3 * exchangesStack() documentation example updated + cran comments + news * revdep check ok