Some bug fixing with new types (TagType and NotificationType)

v1.1.7

bugfix with new types

handling notification_type and added TagType enum for response

v1.1.6

added TagType enum for MESSAGE_TAG messaging type

Changed Profile struct for Instagram users

v1.1.5

changed Profile struct for instagram

additional Profile fields for Instagram

v1.1.4

added additional fields for instagram users, to Profile struct

Supporting "instagram" requests

v1.1.3

changing GraphAPI version to the latest, merging pull request related…

v1.1.2

Merge remote-tracking branch 'origin/master'