io compatibility

This release removes the dependency on bb, using only io.Byte{Reader/Writer}

It is a little bit faster because bb bit-io needs to do a little more book-keeping for its more general interface

bugfix release

This release fixes an alignment bug that occurred in the case where multiple encoders/decoders were used in sequence on the same underlying i/o stream

vgo and docs

This release includes vgo's go.mod and better docs

first release

Dbc is destined for production use, and well tested. This is the first release.