BUGFIX: Offset Validation with -1 Length fixed to be directly length

BUGFIX: Offset Validation with -1 Length fixed to be direct length and also fixed a comment with a repeated "the the" typo.

Signed-off-by: Xen <lordofxen@deskasoft.com>

Author: LordOfXen

HashifyNet/Core/BlockTransformerBase.cs

@@ -157,14 +157,14 @@ public void TransformBytes(byte[] data, int offset, int count, CancellationToken
 				throw new ArgumentException("data.Length must be greater than 0.", nameof(data));
 			}
 
-			if (offset < 0 || offset >= data.Length - 1)
+			if (offset < 0 || offset >= data.Length)
 			{
 				throw new ArgumentOutOfRangeException(nameof(offset), "Offset must be a value greater than or equal to zero and less than the length of the array minus one.");
 			}
 
 			if (count <= 0 || count > data.Length - offset)
 			{
-				throw new ArgumentOutOfRangeException(nameof(count), "Count must be a value greater than zero and less than the the remaining length of the array after the offset value.");
+				throw new ArgumentOutOfRangeException(nameof(count), "Count must be a value greater than zero and less than the remaining length of the array after the offset value.");
 			}
 
 			TransformBytes(new ArraySegment<byte>(data, offset, count), cancellationToken);
@@ -382,3 +382,4 @@ protected void TransformBytesInternal(ArraySegment<byte> data, CancellationToken
 	}
 
 }
+