o write.nexus() failed to write correctly trees with a "TipLabel"
attribute.
+ o rcoal() failed to compute branch lengths with very large n.
+
+ o A small bug was fixed in compar.cheverud() (thanks to Michael
+ Phelan for the fix).
+
+ o seg.sites() failed when passing a vector.
+
+ o drop.tip() sometimes shuffled tip labels.
+
+ o root() shuffled node labels with 'resolve.root = TRUE'.
+
CHANGES IN APE VERSION 2.3-2