minor edits beginning framework of Swimmer class.
Fixed regex for utils.normalize_event_name().
Changed prev to seed for more useful/less confusing calculations.
Removed blocking of DQ/NS/DNF results.
Updated example swimstats.php
Fixed typos in rftw.SwimMeetServices.get_meet().
added utils.find_meet_results()
Added utils.find_meet_ids()
Added structure for pwswimmeets.Swimmer class.
Added more structure and classes
Moved Swimmer classes to swimming module and started 'gen_' functions in utils
Added swimming.Team class.
Started building utils.gen_meet_results() to create structured data from the swimming classes.
removed extraneous .swp file
Various bugfixes for utils.gen_meet_results().
Split utils.gen_meet_results() to allow for multiple seasons
Added load() methods to swimmer classes.
Making it easier to load from json file into data structure.
added utils.get_team_best()
minor cleanup