* Bio::AminoAcid is changed to a class   * Bio::AminoAcid --> Bio::AminoAcid::Names   * Bio::AminoAcid_weight --> Bio::AminoAcid::Weight   * Bio::AminoAcid.names method added   * Bio::AminoAcid.weight method added   * aa method added
* Bio::AminoAcid is changed to a class
  * Bio::AminoAcid --> Bio::AminoAcid::Names
  * Bio::AminoAcid_weight --> Bio::AminoAcid::Weight
  * Bio::AminoAcid.names method added
  * Bio::AminoAcid.weight method added
  * aa method added

csw/bioruby-phyloxml