2.0.0

• Added Pins API methods
• Added JsonIgnore on unknown properties to DTOs
• Unified Message objects into one
• Added app_home_opened event
• Added subteam_created event
• Added subteam_members_changed event
• Added team_join event
• Added user_change event
• Introdced Instant Type mapping in UserGroup
• Added TypedEventReceiver to make generic event type mapping possible
• Added various sample methods for testing