Trading Post Optimiser

08/06/16 v1.2.1:
+ Added flipping Nagrand Arrowbloom, True Iron Ore, Draenic Dust and Raw Beast Hide (Alliance and Horde)
+ Added flipping Blackrock Ore, Gorgrond Flytrap, Talador Orchid and Crescent Saberfish Flesh (Alliance)
* Fixed 1 - bad argument #1 to 'ipairs' (table expected, got nil)

26/05/16 v1.2:
+ Added autobuy (click the macro for every stack of 200)
+ Added support for flipping mats from the current Trader into Work Orders
+ Added flipping Somptuous Fur and Fireweed
- Silenced the chat output while a vendor window is open
* Fixed incorrect macro text on first creation (would get fix after the first relog/reload)
* Some more code optimisation, as always

05/05/16 v1.1:
+ Added support for custom price sources
+ Added the option to use consider the Auction House cut
+ Added 4 new commands (/tpo ahcut, dotd, longterm, reset)
* Long term profit is now available even outside the Garrison
* Fixed some more typos

30/04/16 v1.0:
+ Added support for long term trades, using DBHistorical and taking all traders into account
+ Added a debug command (/tpo verbose)
* Fixed a bug that would cause Raw Boar Meat to always be the top trade.
* Fixed a typo.

29/04/16 v0.1:
Addon Created

I have no easy way to link a Work Orders NPC ID to it's daily mats other than manually verifying in-game. Wich implies I'll have to update everyday a new Work Orders NPC comes out.