0.1-0.5:
    - Proof of concept implementation by Hans Van den Eynden and Yves Younan
0.6-0.7:
    - Bug fixes by Yves Younan        
0.8-1.0.beta4:
    - Reimplementation from scratch by Yves Younan        
1.0.beta4:
    - Public release
1.0.beta5:
    - Prev_chunkinfo speeded up, was really slow because of the way we did lookups
    - A freechunkinfo region is now freed when it is completely empty and not the current one
