Simpleboto

Fixed
- Issue with `cls.__getattribute__` as raised a `TypeError` due to `staticmethod` not being callable.
- Have changed this to `getattr(cls, <>)` and no longer errors.

Amended
- File compression no longer a required parameter for CREATE TABLE.

Fixed
- Manifest includes `.sql` files now; as was excluding the CREATE TABLE SQL query before, causing errors.

Fixed
- Issue with unpacking in typing hint (in Python version `3.10` and less); removed.

Added
- Added `AthenaClient` class with **CREATE TABLE** functionality.
- Also added `Schema` and `data_types` in order to create _schema_ which can be used as input for the **CREATE TABLE** functionality.
Amended
- Put the utility functions into a `Utils` class.
- Added new custom exceptions and changed previous ones to be more general.
- Updated old custom exceptions to the new format.

Fixed
- Error with `from typing import Self` import, so removed.