Changed the default npc vending machine price update frequency to every 3 hours (was 5) Added new PriceUpdateFrequencyBiWeekly and PriceUpdateFrequencyWeekly convars, defaults to 2hrs and 1hr respectively Vending machines will use these if the server is running a bi weekly or weekly wipe schedule, requires the correct tag assigned in server.tags (specifically "biweekly" or "weekly") Added npcvendingmachine.ResetFrequencyTags, this needs to be called to adjust pricing if the servers tags are changed at runtime, mostly for testing