* mln/convert/from_to.hxx,
	* mln/util/object_id.hh: Here.

	* src/debug/Makefile.am: New targets.

	* src/debug/show_groups_bboxes_filtered.cc,
	* src/debug/show_text_lines_wo_seps.cc: New.

	* mln/core/point.hh: Round float values.

	* tests/geom/rotate.cc: Check precision issues

	* mln/morpho/skeleton_constrained.hh,
	* mln/topo/skeleton/crest.hh: Add fastest versions.

	* mln/topo/skeleton/is_simple_point.hh: Rewrite as functor and add
	fastest versions.

	* tests/topo/skeleton/is_simple_point.cc: Fix test.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Here.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Here.

	* mln/convert/impl/from_unsigned_to_value.hh,
	* mln/value/label.hh: Here.

	* mln/debug/iota.hh,
	* mln/debug/iota.spe.hh: Here.

	* mln/value/equiv.hh: Return values by copy.

	* mln/canvas/browsing/depth_first_search.hh,
	* mln/debug/filename.hh,
	* mln/debug/quiet.hh,
	* mln/labeling/colorize.hh,
	* mln/math/pi.hh: Add missing MLN_WO_GLOBAL_VARS guards.

	* mln/core/concept/proxy.hxx
	(internal::helper_unproxy_rec< P, true >::P_)
	(internal::helper_unproxy_rec< const P, true >::P_):
	Remove these intermediate typedefs...
	(internal::helper_unproxy_rec< P, true >::ret)
	(internal::helper_unproxy_rec< const P, true >::ret):
	...to inline these definitions.
	* mln/util/array.hh
	(internal::subject_impl<util::array<T>&, E>::operator())
	(internal::subject_impl<util::array<T>&, E>::operator[])
	(internal::subject_impl<const util::array<T>&, E>::operator() const)
	(internal::subject_impl<const util::array<T>&, E>::operator[] const):
	* mln/core/site_set/p_graph_piter.hh
	(internal::subject_impl< const p_graph_piter<S,I>&, E >::graph):
	Use the exact same return type as in the declaration.

	* mln/core/site_set/p_complex_piter.hh,
	* mln/core/site_set/p_n_faces_piter.hh:
	Here.

	* mln/core/site_set/p_complex_piter.hh: Here.

	* mln/core/site_set/p_n_faces_piter.hh
	(mln::p_n_faces_fwd_piter, mln::p_n_faces_bkd_piter):
	Change the third parameter of the base class from `P' to
	`mln_site(P)'.

	* mln/core/concept/value_set.hh
	(operator<<(std::ostream&, const Value_Set<E>&))
	* mln/morpho/tree/data.hh
	(operator<< (std::ostream&, const tree::data<I, S>&)):
	Use the stream passed as argument instead of std::cout.
	* mln/util/fibonacci_heap.hh
	(mln::util::internal::fibonacci_heap_node::print_): Take an output
	stream as argument instead of using the standard output.
	(mln::util::fibonacci_heap::print_): Rename first argument from
	`cout' to `ostr' prevent confusions with std::cout.
	* mln/trace/warning.hh (mln::trace::warning): Print warnings on
	the standard error instead of the standard ourput.

	* mln/io/magick/load.hh,
	* mln/io/magick/save.hh: Use pointers to access image data.

	* mln/convert/to_qimage.hh: Fix a duplicate declaration.

	* mln/convert/to_qimage_nocopy.hh: Fix the minimum version
	required.

mln/convert/from_to.hh: Use value::cast for default builtin conversions and use specific from_to_ overloads for float/double conversions

	* tests/unit_test/disabled_tests: Add a missing new line at end of
	file.

	* tests/unit_test/unit-tests.mk: Regen.

	* tests/accu/stat/Makefile.am: Add a new target.

	* tests/accu/stat/deviation.cc: New.

	* mln/convert/from_to.hxx,
	* mln/convert/impl/from_unsigned_to_value.hh: Remove overload
	converting unsigned to float.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Regen.

	* mln/world/rgb/invert.hh,
	* mln/world/rgb/invert.spe.hh: New.

	* mln/arith/revert.hh,
	* mln/arith/revert.spe.hh: Add a standard dispatch.