Another fix for #151. Need to go through the whole type hierarchy to

retrieve all private fields.
4 jobs for master in 40 minutes and 45 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #9200
jars-j8

00:00:36

passed #9199
java8

00:14:32

 
  Test
passed #9202
allowed to fail
java11

00:12:09

passed #9201
java7

00:13:26