Describe the change

Adds tests for ScanPgp, ScanPlist, ScanNf

Updates tests for ScanOle

Updates PGP taste for broader support for PGP file types

Adds binary file support to ScanPgp

Fixes an uncaught exception in ScanOle preventing full extraction in some cases

Describe testing procedures

============================= test session starts ==============================
platform linux -- Python 3.10.6, pytest-7.2.0, pluggy-1.0.0
rootdir: /strelka
plugins: mock-3.10.0, unordered-0.5.2
collected 91 items
...
tests/test_scan_nf.py ....
tests/test_scan_ocr.py .
tests/test_scan_ole.py ....
tests/test_scan_pcap.py ..
tests/test_scan_pdf.py .
tests/test_scan_pe.py .
tests/test_scan_pgp.py ....
tests/test_scan_plist.py .

...
======================= 91 passed, 28 warnings in 36.81s =======================

Sample output

No changes

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of and tested my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings