With the new Warehouse effect, it basically makes Warehouses pointless, there's no reason to take Warehouse over Town Hall. Might I make a suggestion for a revamped warehouse?
Each Warehouse built adds .01 food per peasant. This will mean that every 100 warehouses build you get +1 food per peasant. This is not as easy to exploit as the old "Double food" effect, and actually gives incentive, as the +01 food will also be buffed by wells.