[tkeo]

Hi All,

Here is the preview version of epub3 supported KindleUnpack, v0.72b.

Most RESC processing in kindleunpack.py is offloaded to mobi_resc.py (still remained a little bit needed for cover creation).
Although I have tested, it might have bugs since I have modified a large amount of code.

This version has three building manifest functions (for mobi7/azw4, for epub2 and for epub3) in order to make further support of epub3 less affect others; however, I think it is possible to use an unified function.

Thanks,