Remove distinct usage in queries (sebastienros#432)

Fixes sebastienros#428

Use Int64 identifier column by default (sebastienros#459)

For backward compatibility reasons.

Update dependencies (sebastienros#457)

Remove unnecessary dependency (sebastienros#424)

Update Parlot (sebastienros#423)

Update comments on SaveChangesAsync (sebastienros#391)

Consume any char (sebastienros#394)