dbt 0.6.13

What's Changed

• Ele 97 improve on run end performance by @elongl in #241
• Ele 130 synonymous data types varchar text arent by @RoiTabach in #242
• Add DBT_USER env var to dbt_invocations by @Maayan-s in #254
• Add thread_id to run results by @Maayan-s in #255

Full Changelog: 0.6.12...0.6.13