UI bugfix using [ in search pattern

RealBadAngel

2013-03-03 0137db6a8a6a62b9dde9c1457ddda17f307c4b30

UI bugfix using [ in search pattern

 unified_inventory/api.lua

@@ -505,6 +505,13 @@
    local player_name = player:get_player_name() 
    local size=0
    local str_temp1=string.lower(filter)
    if str_temp1 ~= "" then 
        for i=1,str_temp1:len(),1 do
            if string.byte(str_temp1,i) == 91 then 
                str_temp1=""
                end
            end
    end
    local str_temp2
    local str_temp3
    unified_inventory.filtered_items_list[player_name]={}