Fixed comments for most of the gendist functions
Simplified the interface to gendist_fix_moments (sorry not backwards compatible)
Made gendist_get_args private (should have been from the beginning)
Deactivated a deprecation warning in R2014
Added sampling functions for gendists
Added functions for setting bounds of distributions
Fixed a bug introduced by a change to load_pdetool_geom
Fixed comments and Contents file in statistics
Updated todo file