Enhancement: Added database task implementation
Enhancement: Added generic "OperationNotSupportedException" to
"dNG.pas.runtime"
Enhancement: Added generic "Abstract" task class and renamed old to
"AbstractHook"
Change: Renamed "dNG.pas.plugins.Hooks" to "dNG.pas.plugins.Hook"
Change: Renamed "plugin_registration()" and "plugin_deregistration()" to
"register_plugin()" and "unregister_plugin()"
Change: Removed method name grouping from all source code files
Change: Added "_" to most class variables
Trivial: Changed formatting of hanging indent to be PEP 8 conform