Adding graph module

The graph module contains the classes: Graph, Node, Edge.

Changing naming conventions

• Another round of change in the naming convention to prevent conflicts in the library resolution.
• First unit tests of the library itself created.

Documenting base class challenge

Starting with version 0.3.0 the classes will be documented step by step.

Changing naming conventions

Changing the naming conventions of the challenge class and the test case class. See message of previous commit.

Finetune the Readme

Version 0.1.5

* Finetune the Readme.
* Bring links into rst style.
* Add status badge from readthedocs.
* Status informations within the head.

Readthedocs

This version will by synchronised with the documentation build process at readthedocs.

Update README

A minor update of the README.

First release

This version is the fist working public release. The previous releases have been withdrawn due to not working version file.