Wrong arguments passed to reshape() routine.

Output argument t was not initialized when dassert() routine was called
with three arguments for comparing arrays of doubles.

First input of isa() routine is the tested object, not the type of the object...

Propagate the correct number of input arguments in recursive calls.

Missing condition to decide which version of isequal should be used.

Added comparison of struct and cell arrays (with recursive calls).

The routine get_directory_description only returns m files in the
targeted directory and subfolders.

extension, and fixed the header.