Added lookup method returning reference/pointer for PBPTree

3 jobs for master in 10 minutes and 49 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed build #2471
grouprunner

00:03:08

passed coverage #2472
grouprunner

00:05:14

93.0%
 
  Test
passed test #2473
grouprunner

00:02:27