• Parallel build support for python2 and python3.
  -DWITH_PYTHON has been replaced with -DWITH_PYTHON2 and
  -DWITH_PYTHON3 to have full control over this. Default is
  ON for both (issue#22)
• Minor fixes to the PAC retriever code (issue#40)
• Fallback to mcs instead of gmcs for the mono bindings (issue#37)
• Fix build using cmake 3.7
• Fix deprecation warnings of pxgsettings with glib 2.46
• Improve the get-pac test suite (issue#47)