Add is_manually_managed BooleanField; #467
Add is_manually_managed BooleanField; #467

DMOJ/site,monouno/site,DMOJ/site,monouno/site,DMOJ/site,DMOJ/site,monouno/site,monouno/site,Minkov/site,Minkov/site,Phoenix1369/site,Minkov/site,Minkov/site,Phoenix1369/site,Phoenix1369/site,Phoenix1369/site,monouno/site