CLI: use .join to make p a string, otherwise the startswith() check
doesn't work.
Cython interface: make print operator for PxEvent a bit nicer
CLI: add daqGetBuffer() function for raw printout
CLI: add setTbmReg() function to alter TBM registers, including tab
completion
Cython interface: print event header as hex.
CLI: add daqGetEventBuffer to read all decoded events
Cython: Take dacStep parameter into account and only allocate the
space needed for the values being returned from pxarcore
CLI: add status() function returning pxarcore lib status bit
Cython: comment out programDUT() function, not needed and likely to
be moved to private space of pxarcore.