Fix non existing function called
Move logs to own folder
Adding basic test
Fix debug print of objects in tracker
Fixes #4076  * Segment editor now displays for visitor IP the options "AT most / at least / great than / less than / equals / not equals"
 * updating doc to mention IP range filters
 * leaving Visitor IP in the Visit dimensions category in the segment editor (even though it's a "metric" by design). This is more clear this way.
Merge remote-tracking branch 'origin/master'