Fix type and update locale

babelfish_chat/locale/template.txt

@@ -1,8 +1,10 @@
 # textdomain: babelfish_chat
 
 ##[ init.lua ]##
+Invalid language string @1=
 @1 is not a valid language.=
 Could not translate message: @1=
+Could not translate message from @1 to @2: @3=
 Translate a sentence and transmit it to everybody, or to the given channel=
 [#<channel>] <language code>[:<source language>] <sentence>=
 You cannot send to channel #@1!=

babelfish_chat_history/init.lua

@@ -86,7 +86,7 @@ core.register_chatcommand("babel", {
         end
 
         if not (chat_history[channel] and chat_history[channel][target_player]) then
-            return false, S("@1 haven't sent anythign on @2.",
+            return false, S("@1 haven't sent anything on @2.",
                 target_player, channel == main_channel and S("the main channel") or ("#" .. channel))
         end
 

babelfish_chat_history/locale/template.txt

@@ -8,7 +8,7 @@ You must be online to run this command.=
 Error while obtaining default language.=
 Failed to get channel.=
 You are not allowed to read messages from channel #@1!=
-@1 haven't sent anythign on @2.=
+@1 haven't sent anything on @2.=
 the main channel=
 Failed to get translation: @1=
 Use /babel <player name> to translate a player's last message into your preferred language.=

babelfish_private_chat/locale/template.txt

@@ -2,5 +2,7 @@
 
 ##[ init.lua ]##
 Send a direct message to a player in their preferred langauge=
+Failed to get @1's preferred languages.=
+DM to @1: @2=
 Failed to get translation.=
 Use /bmsg <name> <message> to sent private message to a player in their preferred language.=