"two-sided" by default. Previously, this test was one-tailed
with no possibility to change.
+ o ace() can now do REML estimation with continuous characters,
+ giving better estimates of the variance of the Brownian motion
+ process.
+
BUG FIXES
incompatible splits occur in 50% of the trees (especially with
small number of trees).
+ o c() with "multiPhylo" did not work correctly (thanks to Klaus
+ Schliep for the fix).
+
+ o root() failed in some cases with an outgroup made of several tips.
+ The help page has been clarified a bit.
+
CHANGES IN APE VERSION 2.7-2