Add the sqlformat element to the DTD
Rework command-line argument parsing and look for a sqlformat in composite XML
Extract sqlformat tags
Move things around to only do format-dependent things once we know the format
Document new methods and generalize xml_parser::save_composited
Merge pull request #41 from austinhyde/sqlformat-specification

Target XML for a specific SQL format
fix bad variable reference in sqlFormat refactoring