add __repr__ for submissions
add __repr__ for submissions

eleweek/WatchPeopleCode,WatchPeopleCode/WatchPeopleCode,WatchPeopleCode/WatchPeopleCode,jniebuhr/WatchPeopleCode,jniebuhr/WatchPeopleCode,eleweek/WatchPeopleCode,gkbrk/WatchPeopleCode,jniebuhr/WatchPeopleCode,gkbrk/WatchPeopleCode,paked/WPC-fix,jniebuhr/WatchPeopleCode,WatchPeopleCode/WatchPeopleCode,gkbrk/WatchPeopleCode,paked/WPC-fix,gkbrk/WatchPeopleCode,eleweek/WatchPeopleCode,WatchPeopleCode/WatchPeopleCode,eleweek/WatchPeopleCode