增加List处理功能

sgutil/lua/extrace_npk_file.lua

@@ -4,6 +4,13 @@ npkFileName  The path to the NPK archive file to be extracted.
 outputPath    The path to the output directory where files will be extracted.
 return true if extraction succeeds; false otherwise.
 --]]
+--[[
+local M = require("extrace_npk_file")
+local ret = M.extract_npk_files("D:\\WeGameApps\\地下城与勇士：创新世纪\\ImagePacks2\\sprite_character_archer_effect_air.NPK",
+	"D:\\_temp\\output"
+)
+--]]
+
 local M={}
 function  M.extract_npk_files(npkFileName, outputPath)
 	local npk = createNPKFile();