List<T> compatibility methods implemented. Unit tests extended. README.md updated.

Recyclable.Collections.Benchmarks/Benchmarks/FindAll_BestAndWorstCases.cs

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+namespace Recyclable.Collections.Benchmarks
+{
+	public partial class RecyclableCollectionsBenchmarks
+	{
+		public void Array_FindAll_BestAndWorstCases()
+		{
+			var data = TestObjects;
+			var list = TestObjects;
+			var dataCount = TestObjectCountForSlowMethods;
+			for (var i = 0; i < dataCount; i++)
+			{
+				DoNothing(Array.FindAll(list, (item) => item == data[i]));
+				DoNothing(Array.FindAll(list, (item) => item == data[^(i + 1)]));
+			}
+		}
+
+		public void List_FindAll_BestAndWorstCases()
+		{
+			var data = TestObjects;
+			var list = TestObjectsAsList;
+			var dataCount = TestObjectCountForSlowMethods;
+			for (var i = 0; i < dataCount; i++)
+			{
+				DoNothing(list.FindAll((item) => item == data[i]));
+				DoNothing(list.FindAll((item) => item == data[^(i + 1)]));
+			}
+		}
+
+		public void PooledList_FindAll_BestAndWorstCases()
+		{
+			var data = TestObjects;
+			var list = TestObjectsAsPooledList;
+			var dataCount = TestObjectCountForSlowMethods;
+			for (var i = 0; i < dataCount; i++)
+			{
+				var temp = list.FindAll((item) => item == data[i]);
+				DoNothing(temp);
+				temp.Dispose();
+
+				temp = list.FindAll((item) => item == data[^(i + 1)]);
+				DoNothing(temp);
+				temp.Dispose();
+			}
+		}
+
+		public void RecyclableList_FindAll_BestAndWorstCases()
+		{
+			var data = TestObjects;
+			var list = TestObjectsAsRecyclableList;
+			var dataCount = TestObjectCountForSlowMethods;
+			for (var i = 0; i < dataCount; i++)
+			{
+				var temp = list.FindAll((item) => item == data[i]);
+				DoNothing(temp);
+				temp.Dispose();
+
+				temp = list.FindAll((item) => item == data[^(i + 1)]);
+				DoNothing(temp);
+				temp.Dispose();
+			}
+		}
+
+		// public void RecyclableLongList_FindAll_BestAndWorstCases()
+		// {
+		// 	var data = TestObjects;
+		// 	var list = TestObjectsAsRecyclableLongList;
+		// 	var dataCount = TestObjectCountForSlowMethods;
+		// 	for (var i = 0; i < dataCount; i++)
+		// 	{
+		// 		var temp = list.FindAll((item) => item == data[i]);
+		// 		DoNothing(temp);
+		// 		temp.Dispose();
+
+		// 		temp = list.FindAll((item) => item == data[^(i + 1)]);
+		// 		DoNothing(temp);
+		// 		temp.Dispose();
+		// 	}
+		// }
+	}
+}