[ANN] jfcg/sixb v3 release: Utilities including lightweight fifo queue

[jfcg...@gmail.com]

Hi gophers,

I released jfcg/sixb v3. What might be of interest are:

- lightweight fifo queue CircleQ

- set type Set

- no-copy []byte/string converters

all of which use generics.

Cheers..

Note: A previous conversation on MPLv2 license.