Use human-friendly ToString returns

VpSharp/src/Entities/VirtualParadiseAvatar.cs

@@ -432,6 +432,6 @@ public sealed class VirtualParadiseAvatar : IEquatable<VirtualParadiseAvatar>
     /// <inheritdoc />
     public override string ToString()
     {
-        return $"Avatar [Session={Session}, Name={Name}]";
+        return $"Avatar #{Session}; {User.Name} ({Name})";
     }
 }

VpSharp/src/Entities/VirtualParadiseMessage.cs

@@ -58,4 +58,10 @@ public sealed class VirtualParadiseMessage
     /// </summary>
     /// <value>The type of this message.</value>
     public MessageType Type { get; }
+
+    /// <inheritdoc />
+    public override string ToString()
+    {
+        return $"Message {Author}; Type {Type}; Content {Content}";
+    }
 }

VpSharp/src/Entities/VirtualParadiseObject.cs

@@ -217,6 +217,12 @@ public abstract class VirtualParadiseObject : IEquatable<VirtualParadiseObject>
         return HashCode.Combine(Location.World, Id);
     }
 
+    /// <inheritdoc />
+    public override string ToString()
+    {
+        return $"Object {Id}; Owner {Owner}; Location {Location}";
+    }
+
     /// <summary>
     ///     Copies the properties from another object into this object.
     /// </summary>

VpSharp/src/Entities/VirtualParadiseUser.cs

@@ -244,6 +244,6 @@ public sealed class VirtualParadiseUser : IEquatable<VirtualParadiseUser>
     /// <inheritdoc />
     public override string ToString()
     {
-        return $"User [Id={Id}, Name={Name}]";
+        return $"User #{Id}; {Name}";
     }
 }

VpSharp/src/Entities/VirtualParadiseWorld.cs

@@ -134,6 +134,6 @@ public sealed class VirtualParadiseWorld : IEquatable<VirtualParadiseWorld>
     /// <inheritdoc />
     public override string ToString()
     {
-        return $"World [Name={Name}]";
+        return $"World {Name}";
     }
 }