Linked Select: Create dynamically linked lists with select inputs

This class is meant to create dynamically linked list with form select inputs that work as controls for choosing master and detail options.

The class takes the definitions of lists options for primary select input and the corresponding options that should be made available in the secondary input is selected.

The class generates the HTML for defining both the form input as well the necessary Javascript code to dynamically switch the set options of the secondary input depending on the option of the primary input that is selected.