Update 'gmcommand.lua'

Updated to reflect current DSP command prefix.

gmcommand.lua

@@ -25,7 +25,7 @@
 
 _addon.author   = 'atom0s';
 _addon.name     = 'gmcommand';
-_addon.version  = '3.0.0';
+_addon.version  = '3.0.1';
 
 require 'common'
 
@@ -34,9 +34,9 @@ require 'common'
 -- desc: Event called when a command was entered.
 ----------------------------------------------------------------------------------------------------
 ashita.register_event('command', function(command, ntype)
-    -- Look for commands starting with @
-    if (command:startswith('@') or command:startswith('!')) then
-        AshitaCore:GetChatManager():QueueCommand('$' .. command:remove(1), 1);
+    -- Look for commands starting with @ or $..
+    if (command:startswith('@') or command:startswith('$')) then
+        AshitaCore:GetChatManager():QueueCommand('!' .. command:remove(1), 1);
         return true;
     end
     return false;