Point: correct doctstring to include 'altitude' as third parameter returned when unpacking
Point: correct doctstring to include 'altitude' as third parameter returned when unpacking

git-svn-id: 4df7ec159d6f34d4a1fbec6b67bab684fedd02d9@119 535ce8a4-231d-0410-ac7f-15f3cd728b52

JonathanRRogers/geopy