Merge branch 'issue/shared_ptr_getter' into 'develop'

return shared_ptr in getter if member variable is shared_ptr

See merge request !98
4 jobs for develop in 24 minutes and 35 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #8733
debian:10 clang-6-libcpp-17

00:24:35

passed #8732
debian:10 gcc-8-17

00:18:15

passed #8734
debian:9 gcc-6-14

00:19:34

passed #8735
ubuntu:18.04 clang-6-17

00:23:06