Importable AHK Pie Menu class type

[dumbeau]

For those who want to use pie menus in their own AHK scripts as an importable AHK class type from a library.

Here's an example of how I think this would be used:

#include PieMenu.ahk

MyPieMenu := New PieMenu([functions],{options})

a::
MyPieMenu.open()
return