Enhance Python Script to support multiple versions strings in GLSA html

Enhance an existing script to support multiple versions/revisions provided in a GLSA website and compare against database of local package versions. Example: From [login to view URL] Unaffected versions: revision >= 3.2.5-r1, revision >= 2.6.8, revision >= 2.7.3-r1, >= 3.3.2-r1, revision >= 2.6.9, revision >= 2.7.4, revision >= 2.7.5, revision >= 2.7.6