Starting out Alepha from scratch, as a C++17 effort.

This one is going to be prepped for GitHub private, from the get
go.  This initial commit has some evaluation helpers and the
unit testing infrastructure.  `TableTest` will come next.

Alepha.h

@@ -0,0 +1,8 @@
+static_assert( __cplusplus > 201700, "C++17 Required" );
+
+#pragma once
+
+namespace Alepha
+{
+	inline namespace Hydrogen {}
+}