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Adjust to appropriate key for the primary key

Added parsing of oracle inner forign key constraint

Updated the version number

Updated ther version number to 2.1.0

Completed the fix for the parsing of internal keys now for unique keys as well. This completes #72

Fixed the parsing of internal primary keys. This resolves part of #72

Removed the dependency from the UI logger and removed the ui plugin from the dependency list

Refactoring Logging: Made logging method member methods

Refactoring based on the moving of three classes

Removed the qualifier from the version number since the update site could not cope with it