Discovers the relationship status between you and selected user.
public enum RelationshipStatus
|NotFriends||You and other user are not friends|
|FriendRequestSent||You have sent friend request to other user|
|PendingApproval||You have pending request from other user|
|Friends||You and other user are friends|
|Blocking||You have blocked other user|
|BlockedBy||Other user have blocked you|