Ref project update

ref/Events/MessageEventArgs.cs

@@ -5,7 +5,7 @@ namespace Discord
     public class MessageEventArgs : EventArgs
     {
         public Message Message => null;
-        public User User => null;
+        public IUser User => null;
         public ITextChannel Channel => null;
     }
 }

ref/Events/MessageUpdatedEventArgs.cs

@@ -6,7 +6,7 @@ namespace Discord
     {
         public Message Before => null;
         public Message After => null;
-        public User User => null;
+        public IUser User => null;
         public ITextChannel Channel => null;
     }
 }

ref/Events/TypingEventArgs.cs

@@ -3,9 +3,9 @@
     public class TypingEventArgs 
     {
         public ITextChannel Channel { get; }
-        public User User { get; }
+        public IUser User { get; }
 
-        public TypingEventArgs(ITextChannel channel, User user)
+        public TypingEventArgs(ITextChannel channel, IUser user)
         {
             Channel = channel;
             User = user;

ref/Events/UserEventArgs.cs

@@ -3,6 +3,6 @@ namespace Discord
 {
     public class UserEventArgs : EventArgs
     {
-        public User User => null;
+        public IUser User => null;
     }
 }

ref/Events/UserUpdatedEventArgs.cs

@@ -3,7 +3,7 @@ namespace Discord
 {
     public class UserUpdatedEventArgs : EventArgs
     {
-        public User Before => null;
-        public User After => null;
+        public IUser Before => null;
+        public IUser After => null;
     }
 }