- overhauled the filtering system, which will allow for a wide array of filters to be added with minimal effort in the future
- added a Status Code Filter using the new system described above; exposed to the user through
--filter-status - renamed user-facing long option names
--norecursion->--no-recursion--addslash->--add-slash--dontfilter->--dont-filter--sizefilter->--filter-size--useragent->--user-agent
Special thanks to @LMAY75 for filing the issue that led to this feature!