Update database submodule with iodb.json fix.
diff --git a/database b/database
index 42549e4..1320be7 160000
--- a/database
+++ b/database
@@ -1 +1 @@
-Subproject commit 42549e467ee38765e6fd579b84fc9a914756dd30
+Subproject commit 1320be79e0f1e526ea4f9d454a80745cb5639eec