Initial implementation of Spreadsheet module (C++ version) by Eivind Kvedalen.

Various fixes for Windows by
Peter Lama <peterldev94@gmail.com>
Werner Mayer <wmayer@users.sourceforge.net>

src/Mod/Spreadsheet/App/AppSpreadsheet.cpp

@@ -0,0 +1,52 @@
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU Library General Public License as       *
+ *   published by the Free Software Foundation; either version 2 of the    *
+ *   License, or (at your option) any later version.                       *
+ *   for detail see the LICENCE text file.                                 *
+ *   Jrgen Riegel 2002                                                     *
+ *   Eivind Kvedalen 2015                                                  *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+# include <Python.h>
+#endif
+
+#include <Base/Console.h>
+#include "Sheet.h"
+#include "Expression.h"
+
+
+/* registration table  */
+static struct PyMethodDef Spreadsheet_methods[] = {
+    {NULL, NULL}                   /* end of table marker */
+};
+
+/* Python entry */
+extern "C" {
+void SpreadsheetExport initSpreadsheet() {
+    (void) Py_InitModule("Spreadsheet", Spreadsheet_methods);   /* mod name, table ptr */
+    Base::Console().Log("Loading Spreadsheet module... done\n");
+
+    Spreadsheet::PropertyColumnWidths::init();
+    Spreadsheet::PropertyRowHeights::init();
+    Spreadsheet::PropertySheet::init();
+
+    Spreadsheet::Sheet::init();
+    Spreadsheet::Expression::init();
+    Spreadsheet::UnitExpression::init();
+    Spreadsheet::NumberExpression::init();
+    Spreadsheet::ConstantExpression::init();
+    Spreadsheet::FunctionExpression::init();
+    Spreadsheet::OperatorExpression::init();
+    Spreadsheet::VariableExpression::init();
+    Spreadsheet::ConditionalExpression::init();
+    Spreadsheet::StringExpression::init();
+
+    return;
+}
+
+} // extern "C"