Ofxstatement-dutch

Changed

- Layout of the README improved.
- Contents of this CHANGELOG for version 1.3.0.

Added:

- Added ability to parse ING balance statements.

Changed

- Improved installation guide using Miniconda3
- Improved code quality by using pycodestyle and Python typing module

Changed

- Fixed bug for KNAB converter when counterparty is empty (for
interest for example)

Added

- Added converter for:
* KNAB Online Bank, The Netherlands, CSV (https://www.knab.nl/).

Changed

- Enhanced header handling for ING and DEGIRO.
- Enhanced documentation.

Added

- Added converter for:
* DEGIRO trader platform, The Netherlands, CSV (https://www.degiro.nl/).
- Added reference to the Changelog in the Readme.
- The Readme mentions test_requirements.txt for installing test modules.
- More checks concerning the content (dates with start and end
date exclusive) that may result in a ValidationError exception.
- Added Makefile for keeping the important operations together.

Changed

- The generation af a unique OFX id did only return a counter in
case of duplicates.
- The Readme mentions now my fork of the ofxstatement instead of
https://github.com/kedder/ofxstatement.git.
- The __about__.py file outputs the version number and that is
used in the Makefile.
- The Makefile depends now on GNU make for tagging a release.
- MANIFEST.in now includes the Makefile and CHANGELOG.md.
- Code refactoring.
- Changed bank id (BIC) for ING from INGBNL2AXXX to INGBNL2A.

Changed

- Added poppler library to the instructions.
- Readme enhanced.