Now the miner is updated to version 0.3
Main change:
1. May support SM 1.2 Nvidia device, need to be tested.
2. May can be run on display cards with less video memory, need to be tested.
3. Performance increase for large memory bus width device (eg. 384bit).
The net performance of GTX 480, 480SP, 384bit increase from 800 c/min to 880 collisions/minute.