added -k option to specify precision of padded width for line numbers (think: keta)
Big changes in ojxgen.pl - mostly around changing the input file format to multi-line
Reading of "_" (like ">>") will be ignored on M line; Simple bug fix, code formatting *NONFUNC*
Added 2013 to copyright statement in pod
fixed bug: not recognizing line numbers more than 2 digits long
fixed bug (cont): not recognizing line numbers more than 2 digits long... another bit of code