Work on mysql and sql.

Global.h

@@ -20,6 +20,7 @@ namespace  jet {
       void removeSession(coreutils::MString sessionId);
       coreutils::ZString getVariable(coreutils::ZString &variable);
       coreutils::MString renderVariableName(coreutils::MString &name, coreutils::ZString &variable);
+      __mysql * getSession(coreutils::MString sessionId);
       coreutils::ZString getSessionVariable(coreutils::MString &splitName);
       
       std::map<coreutils::MString, coreutils::MString> variables;