Broken links v2.1 changes: Added IP field to results page.
Broken links v1.9 changes: Updated Broken links page format.
Broken links v1.8 changes: Added check empty condition for superglobal variable.
Broken links v1.7 changes: Fixed incorrectly named variable in the PHP code.
Broken links v1.6 changes: Fixed null condition error.
Broken links v1.5 changes: Added 'Broken links' to visitor menu.
Broken links v1.4 changes: Now using finder for performing database queries.
