Simplified routes and db lib code using clearer module.exports.
Added value support to postgres helper library.
Fixed bug where callback to a query with values wouldn't be called.
Added preliminary Idea model.
Fixed bug where running a query with no callback would fail.
Prepared config for testing.
Preliminary Idea test written.
Altered Idea model code to pass tests, actually work.
Updated test controller to make a new idea using Idea model.