[server] Fix LineIncubator DrawnLine id assignment to enable tracking

Nibriboard/Client/LineIncubator.cs

@@ -53,7 +53,7 @@ namespace Nibriboard.Client
 		{
 			// Create a new line if one doesn't exist already
 			if(!currentLines.ContainsKey(lineId))
-				currentLines.Add(lineId, new DrawnLine());
+				currentLines.Add(lineId, new DrawnLine(lineId));
 			
 			// Add these points to the line
 			currentLines[lineId].Points.AddRange(points);

Nibriboard/Client/NibriClientManager.cs

@@ -64,7 +64,7 @@ namespace Nibriboard.Client
 		}
 		/// <summary>
 		/// Handles WebSocket clients when they first connect, wrapping them in
-		/// a <see cref="Nibriboard.NibriClient" /> instance and adding them to
+		/// a <see cref="Nibriboard.Client.NibriClient" /> instance and adding them to
 		/// the client list.
 		/// </summary>
 		/// <param name="newSocket">New socket.</param>

Nibriboard/RippleSpace/DrawnLine.cs

@@ -63,7 +63,7 @@ namespace Nibriboard.RippleSpace
 		public DrawnLine() : this(Guid.NewGuid().ToString("N"))
 		{
 		}
-		protected DrawnLine(string inLineId)
+		public DrawnLine(string inLineId)
 		{
 			LineId = inLineId;
 		}