Burning Wheel Notation

Notation added to ease rolling for Burning Wheel Campaigns.

Counts the number of dice in a dice pool that are over a certain value.

Syntax  
BX GX WX Standard notation. Aliased to Xd6 >> Y
BX! GX! WX! Open roll notation. Explodes. Aliased to Xd6! >> Y
Letter Minimum Die Value (inclusive)
B 4
G 3
W 2