Made the data argument in Point's __init__method to be an optional argument by making it a boost::python::optional.
/*
* Author: Dmitriy Morozov
* Department of Computer Science, Duke University, 2006--2008
*
* For now file exists only to store the main page of the documentation
*/
/** \mainpage
* Detailed description of Dionysus with references to all the classes,
* and code samples goes here.
*/
/**
* \defgroup topology Topology Classes
*/
/**
* \defgroup geometry Geometry Classes
*/
/**
* \defgroup kinetic Kinetic Data Structures Classes
* \ingroup geometry
*/