CRAN version 1.22.6

Accepted on CRAN Feb 12, 2020

New version to CRAN fixing some issues that have appeared with new up…

…dates in Rcpp and in R itself. There are no significant updates in this version

CRAN v 1.19.0

CRAN relase

Chaning version number and preparing for CRAN

Still working on cran release

Preparing for CRAN after PR to RcppArmadillo

Changing version naming (.9500 for dev version)

Adding figures