v5.0.0

Added

• getStampColumns()
• isDeleted()

Changed

• Update dependencies
• Rewrite MedooConnection
• Update config file example
• save() and update() always reload from Database to ensure data integrity
  and have better return values
• delete() only resets the model and removes it from from ModelManager if
  successful
• All STAMP_COLUMNS are implicitly optional

Removed

• dataCleanup()

Fixed

• Indentation
• updateStampColumns() subset filtering
• save()