wip: buffered ring prototype
wip: bufread example
some comments - hope I got it right
bring_read/bring_write: use ringvec_t* as param
adapt example
wip: added buf_*_abort functions
Added readv/writev
wip: Use ring* in bufring
pyring: python3 compatibility
pyring: BufRing support
python: pyring example
make: Added rules for pyring.so
bufring: Fix multi frame writes