Bumped version to 0.0.5

Fixed problem where fields contained shared values by
performing a shallow copy on all fields during Record instantiation.
That way, each record has its own copy of the field instances, rather
than the shared class-wide instance provided by the definition.

setup.py

@@ -1,6 +1,6 @@
 from distutils.core import setup
 setup(name='pyaccuwage',
-    version='0.0.4',
+    version='0.0.5',
     packages=['pyaccuwage'],
     zip_safe=True,
     )