Add version to addon

diff --git a/history.lua b/history.lua
index 72f267c..ceda64d 100644
--- a/history.lua
+++ b/history.lua
@@ -1,6 +1,6 @@
 hist = {
 	name = "history",
-	version = "11",
+	version = "12",
 	initialised = false,
 	SV={},
 	L={},