Use Postgres long ID on user model
Use Postgres long ID on user model

uranusjr/pycontw2016,pycontw/pycontw2016,pycontw/pycontw2016,uranusjr/pycontw2016,uranusjr/pycontw2016,uranusjr/pycontw2016,pycontw/pycontw2016,pycontw/pycontw2016