detect CVE-2021-44832 for 2.0.1-2.3.1 and 2.4-2.12.3

Update CVE information

detect CVE-2021-44832

py3 compat - use all but 2 cpus for digest compute

Fix missing CVE4104 var

Detect CVE-2021-4104 in Log4j 1.x

cpu_count may throw NotImplementedError deal with it

Some windows boxes dont report cpu count

Correct unicode handling

Correct unicode issue

missing traceback import

Cap processes to cpu count

minor multiprocessor refactor

Add multiprocessor support

Remove superflous array, and recursion return value test