add term and comment caches, adjust limits

main.go

@@ -170,11 +170,11 @@ func main() {
 	var TC MetadataCache
 	TC.objects = make(map[int64]metadataObject)
 	TC.sizeLimit = 5000
-	TC.objectType = "p"
+	TC.objectType = "t"
 	var CC MetadataCache
 	CC.objects = make(map[int64]metadataObject)
 	CC.sizeLimit = 100
-	CC.objectType = "p"
+	CC.objectType = "c"
 
 	if err := os.RemoveAll(*sockpath); err != nil {
 		log.Fatal(err)