debug commit
reorder some parsing
Merge pull request #290 from hal3/master

new version of snapshotting for searn
giant refactor of parse_args
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
fix minor sequence issue
fix minor sequence issue
add false_negative_cost to argmax
add default false_negative_cost
Merge branch 'master' of git://github.com/JohnLangford/vowpal_wabbit
pulled john's changes