Enhancement #1
Added support for micro treasury yield futures
Traders can now enter micro treasury yield futures following [30y: YQB1, 10y: YQT1, 5y: YQE1, and 2Y: YQI1] in sprd/bfly.

Enhancement 2
Added support for “DXY” index
Traders can now enter “DXY” to view the U.S. Dollar Index (USDX).
