postgres bigint should be parsed to int (not string)

[tomvantilburg]

Turns out that the postgres connection gives back 'strings' for 'bigint' types in the table. This causes a problem for fields like 'created' and 'updated'.
Proposed solution: do a parseInt() for the bigints in the inflate method at cow2.record.js

[tomvantilburg]

Keep this one in mind: brianc/node-postgres#353