WHAT'S NEW in 3.13?
* Support for multiple values using comma (,);
* Support for multiple configuration file syntaxes including
ini-files, simple config. as well as http-like style
* guess_syntax() method which tries to identify the syntax of the configuration
file and parses accordingly
* key values can be either quoted or not.
* -lc switch to disable case sensitive parsing of blocknames and keys
* much improved write()