Reloads the group object to synchronize with cloud representation.

		>>> clc.v2.Group("wa-1234").Refresh()

def Refresh(self):
		"""Reloads the group object to synchronize with cloud representation.

		>>> clc.v2.Group("wa-1234").Refresh()

		"""

		self.dirty = False
		self.data = clc.v2.API.Call('GET','groups/%s/%s' % (self.alias,self.id), session=self.session)

		self.data['changeInfo']['createdDate'] = clc.v2.time_utils.ZuluTSToSeconds(self.data['changeInfo']['createdDate'])
		self.data['changeInfo']['modifiedDate'] = clc.v2.time_utils.ZuluTSToSeconds(self.data['changeInfo']['modifiedDate'])