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Chad Whitacre 28cb48c72a Big changeover from id to username; #287
I sort of did this one with the blast shield down. I haven't even run
the tests yet. The sorts of things I changed:

 - SQL {elsewhere,exchanges}.participant_id => .participant
 - SQL participants.id => .username
 - ORM {user,participant,self}.id => .username
2013-04-05 15:48:59 -04:00
..
2013-03-22 15:08:38 -04:00