Cleaned up Python bindings to restore functionality:
* StaticPersistence is iterable, its nodes are usable (sign, pair, cycle)
* StaticPersistence knows how to map its nodes into Filtration indices
* moved PythonCmp into utils.h
* minor cosmetic changes
From: Dmitriy Morozov <morozov@cs.duke.edu>
Date: Fri, 04 Apr 2008 11:18:00
State: fixed
Subject: Switch in the pairing in Case 1.2
Message-Id: <8aa25bcae639fc99-0-artemis@moscow>
If simplex i is unpaired in Case 1.2, while i+1 is paired with l, and R[i,l]=1
there is a switch in the pairing in Case 1.2.