1.0.0:  allow code128 without Text. Better Encoding cof code123, several cleanups
0.63:   Fixes a bug in code 128 generation where an od number of more than
        4 consecutive digits at the end of the input resulted in the last
        digit going amiss, removed barcodeserver
0.62:   better access to PIL/Image Data (thanks Tobias Paepke)
0.61:   fixed QRcode installation issues (thanks Vladimir Mihailenco)
0.57:   Code128 now supports TrueType Fonts and tie options bottom_border,
        height, ttf_font, ttf_fontsize and label_border.
0.56p5: better packaging of data files
