Corrijo el issue #159. Corrijo bug tonto en la red.

 On branch develop
 Changes to be committed:
	modified:   src/Infraestructura/ftp/ftpClient.py
	modified:   src/Infraestructura/network/packets/packet.py
	renamed:    src/Infraestructura/testing/imageRepositoryTester.py -> src/Infraestructura/testing/imageRepositoryConnectionUtility.py
	new file:   src/Infraestructura/testing/server.crt
	new file:   src/Infraestructura/testing/server.key
Corrijo bug tonto en la red. Borro basura. Cierro el issue #159.

 On branch develop
 Your branch is ahead of 'origin/develop' by 1 commit.
 Changes to be committed:

	deleted:    src/Infraestructura/testing/server.crt
	deleted:    src/Infraestructura/testing/server.key