Prints relevant attributes of an object
		Args:
			displayAll		if True displays ALL class attributes.

def show(self, displayAll = False):
		'''Prints relevant attributes of an object
		Args:
			displayAll		if True displays ALL class attributes.
		'''
		from pprint import pprint
		if displayAll:
			pprint(self.attributes)
		else:
			disp_attr = {}
			for key in self.disp_attr_keys:
				try:
					disp_attr[key] = self.attributes[key]
				except KeyError:
					if key == 'lowercaseEmail':
						disp_attr[key] = disp_attr['email'].lower()
					else:
						disp_attr[key] = None
			pprint(disp_attr)
		del pprint