Subo descarga de ficheros funcionando. La implementación es MUY sucia: voy a hacer
limpieza.

 On branch repositorio
 Changes to be committed:

	modified:   ccutils/dataStructures/multithreadingCounter.py
	modified:   database/ImageRepositoryDB.sql
	deleted:    database/RepositoryDB.sql
	modified:   database/imageRepository/imageRepositoryDB.py
	modified:   imageRepository/imageRepository.py
	modified:   imageRepository/main.py
	modified:   imageRepository/packets.py
	modified:   network/packets/packet.py
	modified:   testing/imageRepositoryTester.py