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It a simple class that creates a list of dictionarries to store preferences as key value pairs. You can use the class directly or load the preferences from files. The main reason I wrote it was to create an easy way of storing more than one preference with the same name and load them form files in a manner that allows for easy appending or replacing of parmeters that could have been loaded from a default prameter file. There are also several methods to make managing the preferences easier.