Add a PAQ based entropy codec (port from Big Block BWT compressor)
Add a PAQ based entropy codec (port from Big Block BWT compressor)

rzel/kanzi,Sputuks3/kanzi,rukistar/kanzi,sharkkid/kanzi,sharkkid/kanzi,rzel/kanzi,rzel/kanzi,sharkkid/kanzi,Sputuks3/kanzi,rukistar/kanzi,rukistar/kanzi,Sputuks3/kanzi