WIP changes to _quality2_helper_function and quality(). Should have been committed long before now.
Created _upgrade_data_structure()  and time() methods. Also minor bug desensitization on neighbour_joining() and trivial changes to _syntney().
Trivial changes to Node::new() and ExApp::phyml().
Created genbank_tbl() method.
Created genbank_tbl() method.
Minor clean up to gff() method.
Created genbank_tbl() and  genbank_feature_key() methods. Latter is equivalent to sofa().
Added genbank feature key data to %EVIDENCE hash as per http://www.ncbi.nlm.nih.gov/projects/collab/FT/index.html
Created genbank_evidence() and hit(). Significantly built out Orf::genbank_tbl().
Added EXISTENCE detail to genbank_evidence(). Modified name() to return a Genbank compatible version (based on Kpol naming). genbank_tbl() frist pass at coordiantes and improved product/locus_tag handling.
genbank_tbl() has better detail on organism/strain/taxid. Added -genbank option to fasta().
fasta( -genbank => 1) cleanup.
genbank_tbl() cleanup. Now manages both tbl files and fsa if needed. Has a -debug option.
Repairs to genbank_evidence() to prevent inconsistent logical reasoning that results in tbl2asn error.
Created _validate_assembly_gaps. Simplified genbank_tbl().
Added genbank friendly option to fasta().
Lots of changes to genbank_tbl. Corrected important mistake with use of "< / >".
 Created genbank_tbl().
Created _validate_overlapping_features and  _make_genbank_compatible
Moved _validate_overlapping_features to Contig.pm