773 destfnscript syntax in configs doesnt work like other flowcb plug…

…ins (#776)

reviewed collectively and approved.

* fix #773 so it does the same sort of class name comparison as callback

* second pass, simplified at #773

sarracenia/flow/__init__.py

@@ -714,7 +714,8 @@ def sundew_getDestInfos(self, msg, currentFileOption, filename):
             elif re.compile('DESTFNSCRIPT=.*').match(spec):
                 scriptclass = spec[13:].split('.')[-1]
                 for dfm in self.plugins['destfn']:
-                    if scriptclass == dfm.__qualname__.split('.')[0] :
+                    classname =  dfm.__qualname__.split('.')[0]
+                    if (scriptclass == classname) or (scriptclass.capitalize() == classname): 
                          destFileName = dfm(msg)
             elif spec == 'TIME':
                 timeSuffix = ':' + time.strftime("%Y%m%d%H%M%S", time.gmtime())