v2.0.0-beta.3

• Added:
  • Add the method SetStringVersion to simplify the version setting.
  • Add the alias of the type name of the decoder.
  • Add some global functions, which are equal to the methods of the global config Conf.
• Changed:
  • The type name of the decoder is case insensitive.
  • The format of the file source is ini.
• Removed:
  • Some methods, such as Observe or SetErrHandler, don't return *Config.