v0.4.9

Changelog

• 0cc6b35 Merge pull request #5 from bruin-data/patch/add-parsing-of-primary-key
• 0c0e1e3 add more info to error
• 4a7d621 change primary branch name
• 5fb116a drop table from snowflake if not
• 6f0082a fix file name. Wrap error
• 251d6b2 parse primary key + tests