Form Classic: Generate the HTML for forms with common inputs

This class is meant to output forms with common input field types: text, hidden, password, textarea, radio, checkbox, select.

Characteritics are:

* Can disable each of the inputs
* Custom picture for radio and checkbox inputs
* Select inputs can have a sorted list of options from a default value to present closest values first using of levenstein PHP function
* Select inputs can use MySQL queries to define the list of options