Fix in-game version/tag output

diff --git a/TradeFilter3.lua b/TradeFilter3.lua
index 317c577..e45c07a 100644
--- a/TradeFilter3.lua
+++ b/TradeFilter3.lua
@@ -63,10 +63,12 @@ local msgsBlackFiltered = 0
 TF3.currentPartyMembers = {}

 local MAJOR_VERSION = "@project-version@"
-if (select(3,find(MAJOR_VERSION, "(%a+)")) ~= "alpha") then
-	TF3.version = MAJOR_VERSION
+if (select(3,find(MAJOR_VERSION, "(%a+)")) == "beta") then
+	TF3.version = sub(MAJOR_VERSION, 0, 10)
+elseif (select(3,find(MAJOR_VERSION, "(%a+)")) == "release") then
+	TF3.version = sub(MAJOR_VERSION, 0, 13)
 else
-	TF3.version = MAJOR_VERSION .. " DEV"
+	TF3.version = sub(MAJOR_VERSION, -8) .. " DEV"
 end
 TF3.date = "@file-date-iso@"