Peter M. Groen / oletools

Relaxed checking opt

Unicode vba stream names

made all Exceptions subclasses of OlevbaBaseException,
move some common functionality there

use new uni_out instead of repr() to make unicode output save for shells

Robustify extact vba

We have one example files, where openstream() fails in 3 out of 10 modules,
but of course MS office (and even LibreOffice) ignore this.

Fix --deobf option for JSON output

… independent of options

Ppt parser

… handling, JSON output)