src/python/graphviz.cpp, src/python/module.cpp:

  - Export GraphViz exceptions to Python

src/python/module.cpp:
  - Support directed graphs

example/python/vis.py:
  - Support directed graphs


[SVN r27890]

libs/graph

@@ -1 +1 @@
-Subproject commit 08119fe2982aa991bd9e9388994823def9b5beb0
+Subproject commit e3455c28eb2026343b1490d2bfaccf36ad32808d