DateTime support & some test tidying

Data/testsuite/src/SessionImpl.cpp

@@ -91,6 +91,12 @@ bool SessionImpl::isConnected()
 }
 
 
+bool SessionImpl::isTransaction()
+{
+	return false;
+}
+
+
 bool SessionImpl::getConnected(const std::string& name)
 {
 	return _connected;

Data/testsuite/src/SessionImpl.h

@@ -75,6 +75,9 @@ public:
 		/// Returns true if session is connected to the database, 
 		/// false otherwise.
 
+	bool isTransaction();
+		/// Returns true iff a transaction is a transaction is in progress, false otherwise.
+
 	void setConnected(const std::string& name, bool value);
 	bool getConnected(const std::string& name);
 		/// Sets/gets the connected property.