Creates technology groups for easy activation.
<playerTech player = "someplayer" > techs for this player, may contain any number of categories
not declaring a playerTech for a player results in no tech rolls for that player.
<playerTech player="British" > <category name="air" > <tech name="rocket" /> <tech name="industrialTechnology" /> <tech name="jetPower" /> <tech name="heavyBomber" /> </category> <category name="better air" > <tech name="rocket" /> <tech name="industrialTechnology" /> <tech name="jetPower" /> <tech name="heavyBomber" /> <tech name="longRangeAir " /> </category>
</playerTech>