Merge branch 'develop' of https://github.com/bontchev/pcodedmp

Merged Philippe Lagadec's branch

Added content type for the README.

Made the project installable with pip

Implemented support for Open XML documents

Python 3.x support

- The script now runs both under Python 2.6+ and 3.x.

- Improved support for documents created with the 64-bit versions of
Office

- Implemented support for some VBA7-specific features.

- Improved the disassembling of `Dim` declarations when a custom type is
used.

Implemented disassembling of the declarations

Merge pull request #1 from bontchev/bontchev-vba7

- Implemented VBA7 support.
- Implemented support for documents created by the 64-bit version of Office.
- The opcodes are now stored more efficiently.
- Various bugfixes and optimizations.

Create pcodedmp.py