- Added still more error checking to PythonCPUPolicy. But the code which calls its methods should be updated to handle the new exceptions...

- Added a base class for cpu policy exceptions to make simpler their catching
- Implemented all numeric fields in dialogs with spinboxes, with bounds checking

git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@838 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/user_interrupt_exception.cc

@@ -26,7 +26,6 @@
 using namespace sgpem;
 
 UserInterruptException::UserInterruptException(const char* msg)
-    : std::runtime_error(msg)
+    : CPUPolicyException(msg)
 {}
 
-UserInterruptException::~UserInterruptException() throw() {}