Better error messages for IO. Cope with encoding COPY with offset less than 256.
Better error messages for IO.
Cope with encoding COPY with offset less than 256.

dbaarda/librsync,binondord/librsync,pauloppenheim-liveloop/librsync-winbuild,librsync/librsync,agrandville/librsync,yrgoldteeth/librsync,pauloppenheim-liveloop/librsync,pauloppenheim-liveloop/librsync-winbuild,pauloppenheim-liveloop/librsync,potatogim/librsync,pauloppenheim-liveloop/librsync-winbuild,binondord/librsync,librsync/librsync,sourcefrog/librsync,VictorDenisov/librsync,VictorDenisov/librsync,Salamek/librsync,Salamek/librsync,yrgoldteeth/librsync,sourcefrog/librsync,agrandville/librsync,dbaarda/librsync,dbaarda/librsync,sourcefrog/librsync,librsync/librsync,VictorDenisov/librsync,pauloppenheim-liveloop/librsync,potatogim/librsync,sourcefrog/librsync,dbaarda/librsync,yrgoldteeth/librsync,agrandville/librsync,potatogim/librsync,binondord/librsync,librsync/librsync,Salamek/librsync,yrgoldteeth/librsync,VictorDenisov/librsync