fix issue99 - internalerror with --resultlog now produce better output.

the fix depends on another change in the py lib which unifies
the output for native and non-native traceback formatting styles

setup.py

@@ -24,7 +24,7 @@ def main():
         name='pytest',
         description='py.test: simple powerful testing with Python',
         long_description = long_description,
-        version='2.2.1.dev2',
+        version='2.2.1.dev3',
         url='http://pytest.org',
         license='MIT license',
         platforms=['unix', 'linux', 'osx', 'cygwin', 'win32'],
@@ -32,7 +32,7 @@ def main():
         author_email='holger at merlinux.eu',
         entry_points= make_entry_points(),
         # the following should be enabled for release
-        install_requires=['py>=1.4.5'],
+        install_requires=['py>=1.4.6.dev4'],
         classifiers=['Development Status :: 6 - Mature',
                      'Intended Audience :: Developers',
                      'License :: OSI Approved :: MIT License',
@@ -70,4 +70,4 @@ def make_entry_points():
     return {'console_scripts': l}
 
 if __name__ == '__main__':
-    main()
+    main()