1.0.4 Release

Major: duplicate packages no longer listed even if duplicate advisories exist
Minor: Bug fixes, performance improvements for offline cache reading.

Commits

• d7b958a: Minor improvements to advisory matching logic
• 3c2deb8: Regex updates to cover possible advisory names
• 6a484ca: Fixed erroneous bundle length reporting, resolves #16
• 8a4e3ff: Overhaul of work process, resolves #15