Update upstream source from tag 'upstream/0.9.18'

Update to upstream version '0.9.18'
with Debian dir a7a5eb400479f3c081d2441d606f3a7911c2ecae

tests/config.h

 #pragma once
 
 #define CMAKE_SOURCE_DIR "/home/rusconi/devel/pappsomspp/development"
-#define CMAKE_BINARY_DIR "/home/rusconi/devel/pappsomspp/build-area/unix"
+#define CMAKE_BINARY_DIR "/home/rusconi/devel/pappsomspp/development/build-dir-for-deb"
 /* #undef USEPAPPSOTREE */