Update readme with some focus details

README.md

@@ -46,6 +46,14 @@ name    | description
 value   | The value of the control
 label   | For select boxes, the option string that corresponds to the selected value.
 checked | For check boxes, a boolean the corresponds to whether or not the box has been checked
+focus   | Whether or not the control has focus
 
+The wrapped facade will also accept some props for managing behavior:
+
+name      | description
+----------|------------
+autoFocus | Whether or not to immediately focus the control on mount.
+onFocus   | A callback for when the control receives focus. Receives the event as its only argument.
+onBlur    | A callback for when the control loses focus. Receives the event as its only argument.
 
 [jquery.icbiacontrol]: https://github.com/matthewwithanm/jquery-icbiacontrol