It breaks pkgsrc. We should move tests/ into astor/ when we have a
proper test suite.

See #3 for details.

Closes #4.

See #12.

Closes #12.

NameConstant node was introduced in Python 3.4 for True, False & None
values. This fixes #10

This commit adds a standard .gitignore for python projects primarily
ignoring Distribution/packaging files doc build files (which for this
repo might be needed in future) etc.

The codecs.open function always return bytes object.