#1693 Python3: /common Security Fixes: pubseriesClass.py, recognizeddomainClass.py, templateClass.py, verificationsourceClass.py, seriesClass.py

[Al von Ruff]

pubseriesClass.py

• == 0 NodeList comparisons in xml2obj (lines 92, 94) — Bug
• raise-as-control-flow with bare except: in cgi2obj (lines 110–123)
• import sys, import os, from xml.dom import Node unused

recognizeddomainClass.py

• Logic bug in explicit_link_required block

templateClass.py

• minor fixes

verificationsourceClass.py

• removed import cgi
• raise-as-control-flow with bare except (lines 58–71)
• Fixed typo

seriesClass.py

• removed import cgi
• Bare except (lines 108)
• Bare except (lines 112-125)
• Removed unused variable
• Changed series(db) to series(self.db)

biblio/title.py

• Fixed a bad indent on a div statement