* Think how to better arrange private libraries in binary packages.

* Set LD_LIBRARY_PATH to make private libraries visible from Python
  packages. A couple of pointers on how to do it:

  * https://stackoverflow.com/questions/6543847/setting-ld-library-path-from-inside-python

  * https://sources.debian.org/src/pybdsf/1.9.2-3/debian/patches/Use-system-specific-multiarch-name-instead-of-generic-one.patch/?hl=20#L20
