Dbt 1 3

[genzgd]

This turned out to be a fairly minor update. Some additional tests to match the recommended DBT test-adapter and some array macros for utils are the main changes.

We don't have a plan right now to support Python Models (instead of SQL) and ClickHouse Incremental Materializations don't fit any of the "standard" models or SQL macros used by DBT core (this is because of the lack of unique primary keys and lightweight mutations), so 2 of the 3 tasks are not relevant to dbt-clickhouse