* tests/histo.cc: Augment.
	* tests/level_memcpy_.cc: New.
	* tests/level_memset_.cc: New.
	* mln/convert/to_vec_p.hh: Typos.
	* mln/core/concept/generalized_pixel.hh (doc): Fix.
	* mln/core/concept/fast_image.hh (ncells): New.
	Add FIXMEs.
	* mln/core/concept/doc/fast_image.hh: Update.
	* mln/level/fill.hh (fill_with_value): Use memset_.
	* mln/level/memset_.hh: New.
	* mln/level/memcpy_.hh: New.
	* mln/value/int_s.hh (props): Fix card_.
	(int_s): Fix preconditions.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@1081 4aad255d-cdde-0310-9447-f3009e2ae8c0