Added an effect-list to the effect-target

Devices/Generic/AbstractCueDevice.cs

@@ -345,6 +345,12 @@ namespace CUE.NET.Devices.Generic
 
         #region Effects
 
+        /// <summary>
+        /// Gets a list of all active effects of this target.
+        /// For this device this is always null.
+        /// </summary>
+        public IList<IEffect<ILedGroup>> Effects => null;
+
         /// <summary>
         /// NOT IMPLEMENTED: Effects can't be applied directly to the device. Add it to the Brush or create a ledgroup instead.
         /// </summary>

Effects/AbstractEffectTarget.cs

@@ -24,7 +24,7 @@ namespace CUE.NET.Effects
         /// <summary>
         /// Gets all <see cref="IEffect{T}" /> attached to this target.
         /// </summary>
-        protected IList<IEffect<T>> Effects => EffectTimes.Select(x => x.Effect).Cast<IEffect<T>>().ToList();
+        public IList<IEffect<T>> Effects => EffectTimes.Select(x => x.Effect).Cast<IEffect<T>>().ToList();
 
         /// <summary>
         /// Gets the strongly-typed target used for the effect.

Effects/IEffectTarget.cs

@@ -1,14 +1,25 @@
 // ReSharper disable UnusedMember.Global
 
+using System.Collections.Generic;
+
 namespace CUE.NET.Effects
 {
     /// <summary>
     /// Represents a basic effect-target.
     /// </summary>
     /// <typeparam name="T">The type this target represents.</typeparam>
-    public interface IEffectTarget<out T>
+    public interface IEffectTarget<T>
         where T : IEffectTarget<T>
     {
+        #region Properties & Fields
+
+        /// <summary>
+        /// Gets a list of all active effects of this target.
+        /// </summary>
+        IList<IEffect<T>> Effects { get; }
+
+        #endregion
+
         #region Methods
 
         /// <summary>