Update copyright date
Updated copyright date and supported Python version, since 2.7+ and 3.2+ are the minimum versions that have the module argparse
added new song class to handle new song file format
Added many new classes and functions in order to get to the bare minimum for generating latex code from the new song file
Updated Song class to the point where it can provide all aspects of a plain text song file. Ready for use.
Added functions to generate LaTeX commands for song file attributes
Added comments
Added comments, rearranged handling of song order
Changed code to ensure that each line in the song is a separate list, making Song.lines a list of lists
combine function was not adding leading lyrics that appear before the first chord of a line, now it does
Added more functions for conversion of song elements into latex code
Changed chords regex to allow for more complex chords including the base note
Added latex code generation for an entire song
Moved handling of parenthesized lines into latex generation of Text class
Updated since I removed some features to praisetex and changed the song file format
Updated praisetex to work with new file format
Updated latex templates to handle new stanza names