Make a quicker test for untangle_step_rotate_2side
Fix some names in untangle_step_rotate_2side test
Fix untangle_step_rotate_1side to work with non-missing dend_heights_per_k
Set sort_cluster_numbers = TRUE for cutree, in order to make it compatible with stats:::cutree

Added a test for this.

Also:
Fix cutree.hclust to work with a vector of k again when !order_clusters_as_data
tanglegram - labels are now alligned to the leaves tips in the right dendrogram.

This took extending plot_horiz.dendrogram, editing a new functino called plotNode_horiz
Version bump to 0.7.2