[ANN] LuaPgSQL-1.6.1 released

It's my pleasure to announce version 1.6.1 of LuaPgSQL, the Lua interface to PostgreSQL.

This is a maintenance release requested by the cqueues-pgsql developer (see
https://github.com/daurnimator/cqueues-pgsql and https://github.com/wahern/cqueues
for details on cqueues):

- Command execution functions return nil when the underlying libpq functions return NULL.

LuaPgSQL fully supports Lua 5.3.3 and is available as usual on https://github.com/arcapos/luapgsql.