* Add proper formatting of example program output.
* Add test to ensure the examples are working.
* Add better handling of Pointer arguments.
* Add better handling of C char * return values.
* Add helper function for C character length.
* Test that the compiler properly support Fortran/C interop at configure
  time.

added CDI function gribapiLibraryVersion(major_version, minor_version, revision_version) [Feature #5043]

* This way it could be used in out-of-source builds with some modifications.

* len is default spec for CHARACTER.

* Non-standard type kinds cannot be part of one-line function declarations.

* Also ensure no data gets assigned to an unused table.