+ Added internal Parent reference / made assignments to it when operations occur

OSCADSharp/OSCADSharp/OSCADObject.cs

@@ -262,6 +262,11 @@ namespace OSCADSharp
             return this.ToString() == other.ToString();
         }
 
+        /// <summary>
+        /// The parent of this object in its OSCADObject tree
+        /// </summary>
+        internal OSCADObject Parent { get; set; }
+
         /// <summary>
         /// Internal collection of children for this object
         /// </summary>

OSCADSharp/OSCADSharp/Scripting/MultiBlockStatementObject.cs

@@ -20,6 +20,10 @@ namespace OSCADSharp.Scripting
         {
             this.outerStatement = outerStatement;
             this.children = children.ToList();
+            foreach (var child in children)
+            {
+                child.Parent = this;
+            }
         }
 
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs

@@ -33,6 +33,7 @@ namespace OSCADSharp.Transforms
             this.Opacity = opacity;
 
             this.children.Add(obj);
+            obj.Parent = this;
         }
 
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/LinearExtrudedObject.cs

@@ -35,6 +35,7 @@ namespace OSCADSharp.Transforms
             this.Height = height;
 
             this.children.Add(obj);
+            obj.Parent = this;
         }
 
         public override OSCADObject Clone()

OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs

@@ -32,6 +32,7 @@ namespace OSCADSharp.Transforms
             this.Normal = normal;
 
             this.children.Add(obj);
+            obj.Parent = this;
         }
         
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs

@@ -30,6 +30,7 @@ namespace OSCADSharp.Transforms
             this.Size = size;
 
             this.children.Add(obj);
+            obj.Parent = this;
         }
 
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs

@@ -30,6 +30,7 @@ namespace OSCADSharp.Transforms
             this.Angle = angle;
 
             this.children.Add(obj);
+            obj.Parent = this;
         }
 
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs

@@ -30,6 +30,7 @@ namespace OSCADSharp.Transforms
             this.ScaleFactor = scale;
 
             this.children.Add(obj);
+            obj.Parent = this;
         }
 
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs

@@ -27,6 +27,7 @@ namespace OSCADSharp.Transforms
             this.Vector = vector;
 
             this.children.Add(obj);
+            obj.Parent = this;            
         }
 
         public override string ToString()