make sure the cache stores the same case as the original sequence else it will...

make sure the cache stores the same case as the original sequence else it will look wierd (as if softmasked) if you get it again using the cache

modules/Bio/EnsEMBL/DBSQL/SequenceAdaptor.pm

@@ -470,7 +470,7 @@ sub _fetch_seq {
 
         # always give back uppercased sequence so it can be properly softmasked
         $entire_seq .= uc($tmp_seq);
-        $cache->{"$seq_region_id:$i"} = $tmp_seq;
+        $cache->{"$seq_region_id:$i"} = uc($tmp_seq);
       }
     }