Fix no lock queue, add shf_q_size() for debug, skeleton doxygen, WIP shf.log
Fix no lock queue, add shf_q_size() for debug, skeleton doxygen, WIP shf.log

AlexMarlo/sharedhashfile,gdkar/sharedhashfile,nvoron23/sharedhashfile,AlexMarlo/sharedhashfile,gdkar/sharedhashfile,gdkar/sharedhashfile,nvoron23/sharedhashfile,nvoron23/sharedhashfile,AlexMarlo/sharedhashfile,gdkar/sharedhashfile,gdkar/sharedhashfile,AlexMarlo/sharedhashfile,AlexMarlo/sharedhashfile,nvoron23/sharedhashfile,nvoron23/sharedhashfile