Data-linter

- Fix log_path being called before assignment

- Upgrade from `goodtables` to `frictionless` package (57)
- (Hopefully) address aws read timeout issue (79)
- Review printing and logging (86)
- Separating out functionality so that users can provide a config stored in memory rather than a file (84)
- Add option for defining the timestamp partition name (85)

- Minor logic change when all_must_pass is set to True
- improved logging

- Extend read_timeout to hopefully avoid more timeouts

- Fix typo in get_out_path function

- Added some more print statements (75)
- Fixed testing suite (76)