CHANGES IN APE VERSION 2.2-3
+NEW FEATURES
+
+ o The new function extract.clade extracts a clade from a tree by
+ specifying a node number or label.
+
+ o fastme.bal() has two new options 'spr' and 'tbr' to perform tree
+ operations of the same names.
+
+ o dist.dna() can now return the number of site differences by
+ specifying model="N".
+
+
BUG FIXES
o chronopl() did not work with CV = TRUE.
multiple lines with different numbers of lines and/or with
comments inserted within the trees).
+ o ltt.plot(), ltt.lines(), and mltt.plot() did not count correctly
+ the number of lineages with non-binary trees.
+
+
+OTHER CHANGES
+
+ o ape has now a namespace.
+
+ o drip.tip() has been improved: it should be much faster and work
+ better in some cases (e.g., see the example in ?zoom).
+
CHANGES IN APE VERSION 2.2-2