test
created method CustomerAbstract getCustomer(id) in PBES class
dont know if it works yet or if it's right
Revert "created method CustomerAbstract getCustomer(id) in PBES class dont know if it works yet or if it's right"

This reverts commit ebc560fee79c1d644d6c310881cf9c0d209ac663.
Implementing changes from Luis commit in 6835971 into the propper
classes
corrected an issue with an abstract and wrong use of abstract types in
add user method
Merge remote-tracking branch 'github/luis2' into SQLiteStorage

Conflicts:
	uem.basesDeDatos.alonsostein.git/src/activity19/PbesSQL.java