added new debug level

git-svn-id: https://subversion.gsi.de/epics/trunk/hadcon/API-Slave@388 50339f28-a4cd-11e1-ab1f-8360dde1fe65

api_debug.h

@@ -23,6 +23,7 @@ enum debugLevels
    debugLevelEventDebug,
    debugLevelEventDebugVerbose,
    debugLevelPeriodicDebug,
+   debugLevelPeriodicDebugVerbose,
    debugLevel_MAXIMUM_INDEX
 };