Access (read/write) table data from/to lua file.

• Data=Access_File_Data([Data_File_Name]): read data from Data_File_Name (or default data file name).
• Access_File_Data([Data_File_Name,]Data): write data to Data_File_Name (or default data file name).

If Data_File_Name not specified, will use default data file name - "script_name_passed_to_interpreter.data.lua".
If full path not specified, will use working directory.

• Copy 'Access_File_Data.lua' to lua libs.
• luarock install Access_File_Data .

• Data2String: core module.
  See robertlzj/Data2String: Serialize data Fast in any struct to string. Clear view through complex reference Auto contain when install from luarock.
• gbk: Option. Code page converter.
  See starwing/luagbk: GBK encoding string support for Lua programming language. (github.com) and description in 'gbk - LuaRocks'.
  Auto contain when install from luarock.