* @param options a string containing the content to add to the config set. This is a '\\t',' ' or '\\n' or ','
* separated list of variables. Each individual variable is like "[name]:[value]" where [name] is the name of an
* already registered variable, and [value] conforms to the data type under which this variable was registered.
*
* @todo This is a crude manual parser, it should be a proper lexer.
*/
* @param options a string containing the content to add to the config set. This is a '\\t',' ' or '\\n' or ','
* separated list of variables. Each individual variable is like "[name]:[value]" where [name] is the name of an
* already registered variable, and [value] conforms to the data type under which this variable was registered.
*
* @todo This is a crude manual parser, it should be a proper lexer.
*/