Bug 692287

Description of problem:
The examples in the Lunatic Python website no longer works; any attempt to convert a Lua value to Python and vice versa crashes

see e.g. the first examples for "Lua inside Python" and "Python inside Lua":
http://niemeyer.net/lunatic-python

note that executing Python statements from Lua and vice versa works, as long as the values are not then converted to the equivalent in the other language. e.g.

(in Lua)
> require("python")
> python.execute("print 42")
42

(in Python)
>>> import lua
>>> lg = lua.globals()
>>> lua.execute("print(42)")
42

Version-Release number of selected component (if applicable):
lunatic-python-1.0.1-0.4.20090917bzr.fc15.x86_64
(also the F14 version; discovered this when testing the Lua in F14's updates-testing)

How reproducible:
Always

Steps to Reproduce:
1. Try the examples from the Lunatic Python website
  
Actual results:
Segfaults converting values between the two languages

Expected results:
Should work


Additional info:
PS thanks for picking Lunatic Python up -- I did the initial review request but then was otherwise occupied. Upstream development of Lunatic is, unfortunately, stalled (I've seen only one patch applied in the past two years), and last I checked, the various forks on Launchpad are diverging from each other; we should probably try and find a solution with upstream.