Benchmarks added & reorganized.

Benchmarks/LongCount.cs

@@ -0,0 +1,19 @@
+using Collections.Benchmarks.Core;
+
+namespace Recyclable.Collections.Benchmarks
+{
+	public partial class RecyclableCollectionsBenchmarks
+	{
+		public void Array_LongCount()
+		{
+			var data = TestObjects;
+			DoNothing.With(data.LongLength);
+		}
+
+		public void RecyclableLongList_LongCount()
+		{
+			var data = TestObjectsAsRecyclableLongList;
+			DoNothing.With(data.LongCount);
+		}
+	}
+}