Search group list by providing partial name, ID, description or other key.

		>>> clc.v2.Datacenter().Groups().Search("Default Group")
		[<clc.APIv2.group.Group object at 0x1065b0f50>, <clc.APIv2.group.Group object at 0x1065b0d10>]

def Search(self,key):
		"""Search group list by providing partial name, ID, description or other key.

		>>> clc.v2.Datacenter().Groups().Search("Default Group")
		[<clc.APIv2.group.Group object at 0x1065b0f50>, <clc.APIv2.group.Group object at 0x1065b0d10>]

		"""

		results = []
		for group in self.groups:
			if group.id.lower().find(key.lower()) != -1:  results.append(group)
			elif group.name.lower().find(key.lower()) != -1:  results.append(group)
			elif group.description.lower().find(key.lower()) != -1:  results.append(group)

		return(results)