This changes the content of `@categories_lookup` from `Category` objects
to IDs since the category names aren't needed anymore. The lookup
method has been renamed too.
- FEATURE: TopicCreator now supports 'pinned_at' parameter
- FIX: 🐛 FIX TopicQuerySQL to support pinned topic older than 2010
- FIX: 🐛 Properly remove all HTML Entities from Usernames/Titles/Category Names/Groups in vBulletin importer
- FIX: 🐛 Properly handle specific vBulletin BBCode (quotes/mentions)
- FIX: 🐛 Make sure we generate a username from the name of the user instead of a fake email
- FEATURE: Allow for custom timezone in vBulletin importer
- FEATURE: Support for profile pictures/background in vBulletin importer
- FIX: 🐛 merge the categories tree to only 2 levels in vBulletin importer
FEATURE: add backtrace when an exception happen (importers)
FIX: post-processing should also happen on first posts (vBulletin
importer)
PERF: faster topic bypass when already imported
