APY-8 : Implement X-Filter as external server

Partially finished with decoders.
APY-8 : Implement X-Filter as external server

Almost finised decoders refactoring.
APY-8 : Implement X-Filter as external server

Refactorings and error present implementation.
APY-8 : Implement X-Filter as external server

Finalized the XML decoders
APY-8 : Implement X-Filter as external server

Added the decdoign for list and dict.
APY-8 : Implement X-Filter as external server

Finished refatoring for this stage.