move a bunch of classes out of Spotter.cgi and into other files
moved lots of text into tint; web interface not yet thoroughly tested for regressions
minor fiddling
moved some code from Spotter.cgi to CheckAnswer.pm
moved some code from Spotter.cgi to Util.pm
moved some code from Spotter.cgi to Throttle.pm
add missing file
writing to stdout only in one place in Spotter.cgi
get rid of globals in Spotter.cgi
working version, before attempting the switch to CGI::Application
switched over to CGI::Application; login mechanism broken
sort of works; forgets you're logged in after the first time you click on a link