-casts << {:long=>'size', :short=>'s', :type=>'uint', :mandatory=>false, :default=>4, :allowed=>nil, :disallowed=>'0'}
-casts << {:long=>'type', :short=>'t', :type=>'string', :mandatory=>false, :default=>"dna", :allowed=>"dna,rna,protein", :disallowed=>nil}
-
-bp = Biopieces.new
+casts << {:long=>'size', :short=>'s', :type=>'uint', :mandatory=>false, :default=>4, :allowed=>nil, :disallowed=>'0'}