Instackup

Bug fixes:
- Fixed bug in BigQueryTool.upload_from_gcs and BigQueryTool.upload_from_file methods where _ignore_unknown_values_ and _max_bad_records_ parameters weren't passed to the Job
- Updated dependencies

New functionalities:
- bigquery_tools
- BigQueryTool
- list_dataset_permissions
- add_dataset_permission
- remove_dataset_permission

Bug fixes:
- Missing dependency: "pandas-gbq"

Bug fixes:
- GCloudStorageTool.blob (setter) was setting the subfolder attribute without trailing slash.

Bug fixes:
- GCloudStorageTool.upload_file didn't use the currently set URI.
- HerokuTool.\_\_init\_\_ and HerokuTool.execute methods failed in Python 3.6.

New functionalities:
- sql_tools
- MySQLTool
- \_\_init\_\_
- describe_table

Updated dependencies.