NEW FUNCTIONS:
   * `noded_with_condition` - Find which nodes satisfies a condition
   * `branches_attr_by_labels` - Change col/lwd/lty of branches matching labels condition
set.dendrogram - added new options: by_labels_branches_col, by_labels_branches_lwd, by_labels_branches_lty
Updated DESCRIPTION and NEWS to version 0.15.2