v1.0   Supports SPI memory buffer and register i/o, includes PLB EDK (XPS/XSDK) support, demos with base spiifc and EDK (includes DMAC)

v0.3.1   v0.3.1 Basic rc/tx between spiifc and cheetah spi/usb adapter, refactored for modular design on pc side in Python

v0.3   v0.3: sends data to cheetah usb/spi adapter, max rate 30mbps

v0.2   v0.2: receives data from cheetah USB/SPI aadapter, saves multiple bytes to receive buffer

v0.1   v0.1: receives a single byte from cheetah USB/SPI aadapter