commit: Process same lecture items sorted by date(asc)

bin/commit

@@ -379,7 +379,7 @@ def find_similar_items(item,ns):
       yield os.path.join(fn_dir,item2),item2,ns2
 
 
-for base, ns, items in sorted(all_exams,key=lambda i:i[1].lectures):
+for base, ns, items in sorted(all_exams,key=lambda i:i[1].lectures[0]+i[1].date):
 
 #for base, ns, items in allExams():
   output=""