Added a few missing properties

src/Discord.Net/API/Models/Common.cs

@@ -162,6 +162,10 @@ namespace Discord.API.Models
 			public int Size;
 			[JsonProperty(PropertyName = "filename")]
 			public string Filename;
+			[JsonProperty(PropertyName = "width")]
+			public int Width;
+			[JsonProperty(PropertyName = "height")]
+			public int Height;
 		}
 
 		[JsonProperty(PropertyName = "tts")]
@@ -170,6 +174,8 @@ namespace Discord.API.Models
 		public bool IsMentioningEveryone;
 		[JsonProperty(PropertyName = "timestamp")]
 		public DateTime Timestamp;
+		[JsonProperty(PropertyName = "edited_timestamp")]
+		public DateTime? EditedTimestamp;
 		[JsonProperty(PropertyName = "mentions")]
 		public UserReference[] Mentions;
 		[JsonProperty(PropertyName = "embeds")]

src/Discord.Net/DiscordClient.cs

@@ -164,7 +164,9 @@ namespace Discord
 								Url = x.Url,
 								ProxyUrl = x.ProxyUrl,
 								Size = x.Size,
-								Filename = x.Filename
+								Filename = x.Filename,
+								Width = x.Width,
+								Height = x.Height
 							}).ToArray();
 						}
 						else
@@ -176,6 +178,7 @@ namespace Discord
 						message.IsMentioningMe = message.MentionIds.Contains(UserId);
 						message.RawText = extendedModel.Content;
 						message.Timestamp = extendedModel.Timestamp;
+						message.EditedTimestamp = extendedModel.EditedTimestamp;
 						if (extendedModel.Author != null)
 							message.UserId = extendedModel.Author.Id;
 					}

src/Discord.Net/Message.cs

@@ -2,21 +2,27 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Text.RegularExpressions;
 
 namespace Discord
 {
 	public sealed class Message
 	{
-
-		public struct Attachment
+		public class Attachment
 		{
-			public string Id;
-			public string Url;
-			public string ProxyUrl;
-			public int Size;
-			public string Filename;
+			/// <summary> Unique identifier for this file. </summary>
+			public string Id { get; internal set; }
+			/// <summary> Download url for this file. </summary>
+			public string Url { get; internal set; }
+			/// <summary> Preview url for this file. </summary>
+			public string ProxyUrl { get; internal set; }
+			/// <summary> Width of the this file, if it is an image. </summary>
+			public int? Width { get; internal set; }
+			/// <summary> Height of this file, if it is an image. </summary>
+			public int? Height { get; internal set; }
+			/// <summary> Size, in bytes, of this file file. </summary>
+			public int Size { get; internal set; }
+			/// <summary> Filename of this file. </summary>
+			public string Filename { get; internal set; }
 		}
 
 		private readonly DiscordClient _client;
@@ -37,8 +43,10 @@ namespace Discord
 		/// <summary> Returns the content of this message with any special references such as mentions converted. </summary>
 		/// <remarks> This value is lazy loaded and only processed on first request. Each subsequent request will pull from cache. </remarks>
 		public string Text => _cleanText != null ? _cleanText : (_cleanText = _client.CleanMessageText(RawText));
-		/// <summary> Returns the timestamp of this message. </summary>
+		/// <summary> Returns the timestamp for when this message was sent. </summary>
 		public DateTime Timestamp { get; internal set; }
+		/// <summary> Returns the timestamp for when this message was last edited. </summary>
+		public DateTime? EditedTimestamp { get; internal set; }
 		/// <summary> Returns the attachments included in this message. </summary>
 		public Attachment[] Attachments { get; internal set; }