Basic project creation

+ Added TreeNode.RemoveChild
+ Added Directory.Copy
+ Path.Combine now replaces alt directory separator
+ Project: Renamed ProjectName to Name
+ Project.Load: Save settings, if file doesn't exist

GlitchyEngine/src/Collections/TreeNode.bf

@@ -1,4 +1,5 @@
 using System.Collections;
+using System;
 
 namespace GlitchyEngine.Collections
 {
@@ -37,6 +38,11 @@ namespace GlitchyEngine.Collections
 			return newChild;
 		}
 
+		public bool RemoveChild(TreeNode<T> value)
+		{
+			return Children.Remove(value);
+		}
+
 		public Self FindNode(T value)
 		{
 			if (Value == value)