def accept(from_id, to_id, scope = Amico.default_scope_key)
      return if from_id == to_id

      add_following_followers_reciprocated(from_id, to_id, scope)
    end
def accept(from_id, to_id, scope = Amico.default_scope_key)
      return if from_id == to_id

      add_following_followers_reciprocated(from_id, to_id, scope)
    end
Accept a relationship that is pending between two IDs.

 @param from_id [String] The ID of the individual accepting the relationship.
 @param to_id [String] The ID of the individual to be accepted.
 @param scope [String] Scope for the call.

 Example

   Amico.follow(1, 11)
   Amico.pending?(1, 11) # true
   Amico.accept(1, 11)
   Amico.pending?(1, 11) # false
   Amico.following?(1, 11) #true