…hanges

… use consistently use single quotes except where content includes double quotes

…ed arg (as per other patch); export class and deprecate exporting of singleton and class method (will probably allow for instance to avoid autostarting)

…ward compatibility. Having options first will allow separate calls for the object and expression to an evaluate method if autostarting is not desired

…method, "evaluate"

…s (clearer for readers of code)

…and deprecated syntaxes in docs; document properties and elaborate on syntax

…hes with sandbox-supplied vars; indicate object is private var.

…lts for objects

…uiring "new" by avoided