Silence errors on unserialize()
Silence errors on unserialize()

These happen when a class is defined inside PsySH and an instance of that class exists in the scope when the shell returns. We can safely ignore unserialize() warnings, as there isn't much we can do in this case :)

See #106
bobthecow/psysh,adetch/psysh,barryvdh/psysh,mubassirhayat/psysh,bobthecow/psysh,damiankloip/psysh,lvht/psysh,barryvdh/psysh,lvht/psysh,damiankloip/psysh,damiankloip/psysh,mubassirhayat/psysh,adetch/psysh