+ o There is a new image() method for "DNAbin" objects: it plots DNA
+ alignments in a flexible and efficient way.
+
+ o Two new functions as.network.phylo and as.igraph.phylo convert
+ trees of class "phylo" into these respective network classes
+ defined in the packages of the same names.
+
+ o The three new functions clustal, muscle, and tcoffee perform
+ nucleotide sequence alignment by calling the external programs
+ of the same names.
+