Fixed test_objects_can_be_expected method

** Noted that inspecting an integer gives you that int as string
** Noted that inpsecting nil gives you nil as a string
Fixed every_object_has_an_id method

** This test now passes
** Noted that each object has an id of Fixnum type
Fixed every_obj_diffrent_id to pass

** Noted that each object has as different id in Ruby
** This test now passes
Fixed small_ints_have_fixed ids

** Noted that the object_id of an integer follows a pattern
** This pattern = id will be double the int plus one
** This pattern produces a progression of odd integer ids ascending