Bump max Python version

v0.0.4

Bump max Python version to being compatible with DLT serverless

Improve code, add documentation

Changes include:

• add retries for Splunk and REST API data sources
• add documentation to classes

Full Changelog: v0.0.2...v0.0.3

Initial release with writers for Splunk and MS Sentinel

This release includes Spark batch and streaming writers for Splunk and Microsoft Sentinel.