Separated major non mandatory libraries into their onwn modules.

Consolidated and simplified the module API system.
Various other fixes and improvements.

modules/xml/Common.cpp

@@ -0,0 +1,25 @@
+// ------------------------------------------------------------------------------------------------
+#include "Common.hpp"
+#include "Module.hpp"
+
+// ------------------------------------------------------------------------------------------------
+namespace SqMod {
+
+// ------------------------------------------------------------------------------------------------
+bool ParseResult::Validate() const
+{
+    if (m_Doc)
+        return true;
+    // Invalid document reference
+    _SqMod->SqThrow("Invalid XML document reference");
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+void ParseResult::Check() const
+{
+    if (m_Result.status != status_ok)
+        _SqMod->SqThrow("XML parse error [%s]", m_Result.description());
+}
+
+} // Namespace:: SqMod