5.1:

- Major modifications

	* Folder architecture: All configuration files are now in stlport/stl/config folder.
	stlport/stl_user_config.h renamed and moved as stlport/stl/config/user_config.h.
	stlport/stl/_site_config.h renamed and moved as stlport/stl/config/hosts.h.
	STLport configuration now also try to seperate platform configuration from compiler
	one.

	* Allocators implementation is in src folder to enhance encapsulation. Default
	allocator when using STLport without building it (_STLP_NO_IOSTREAMS) is the simple
	new/delete based allocator, node allocator is the default when building the lib.

	* Access to native headers has been modified to make STLport less dependant on
	native headers internal includes, should improve portability.

	* Segregation of headers has been improved. You might have to add now missing
	functional or algorithm Standard headers include in your code.

- Enhancements

	* Support enhancements:
	  - Borland compilers starting with the free one (5.5.1)
	  - HP aC++/ANSI C B3910B A.06.06
	  - Visual Studio 2005 for Windows CE
	  - Use of intrinsic type traits support of Visual Studio 2005

	* Improved meta programming techniques especially in uninitialized_* algorithms.
	If you need a vector of null pointer prefer to write 'vector<void*> v(10)' rather
	than 'vector<void*> v(10, (void*)0)'.

	* Fully functional pointer specialization feature (_STLP_USE_PTR_SPECIALIZATIONS).

	* Extension of template search methods in associative and hashed container has
	been completed.

	* STL safe mode: Now detect badly implemented strict weak ordering functors, assert
	if a < b && b < a. Same for equivalent functor used in hash container implementation,
	assert if a <=> b but !(b <=> a).

	* Improved locale creation delay on Windows platform.

	* STL containers implementation now correctly handle allocators with state. This kind
	of allocator has to overload swap method if any specific action has to be made when
	swaping 2 instances.

	* STLport is ready for safe string functions *_s (_STLP_USE_SAFE_STRING_FUNCTIONS)

	* Many bug fixes, see etc/ChangeLog-5.1.

5.0:

- Major modifications

	* No more wrapper mode: you can use STLport iostreams or no iostreams
	at all.

	* _STLP_NO_CUSTOM_IO now also hide basic_string implementation

	* internal namespace schema has been modified, see doc folder for additionnal
	informations.

- Enhancements

	* Support of many modern C++ compilers and platforms
	  - gcc 3.4.0 and later
	  - MSVC .Net 2002, 2003 and MSVC 2005 Beta
	  - Windows CE 
	see build/test/unit/STATUS for a complete list of tested platforms/compilers

	* Move semantic: vector or deque of any other STL containers are using
	move semantic when resized or modified rather than copy.

	* New checks in safe STL mode like null pointer or check of iterator range
	pass to container constructors.

	* Expression template for string concatenation operations (available
	throught the _STLP_USE_TEMPLATE_EXPRESSION config option)

	* Implementation of the short string optimization trick, basic_string have
	a small static buffer in this case.

	* STL containers vector, deque, list and slist pointer specialization to
	limit code bloats (see _STLP_USE_PTR_SPECIALIZATIONS on config file)

	* Use of boost type_traits rather than internal equivalent when requested
	(see _STLP_USE_BOOST_SUPPORT in config file)

	* set/multiset, or map/multimap iterators cannot be compared anymore.

	* unordered_set, unordered_multiset, unordered_map, unordered_multimap hash
	containers implementation specified in the TR1 document.

	* Thanks to the _STLP_LEAKS_PEDANTIC config option you can ask STLport to
	clean its memory pool before being unloaded, useful to only detect real
	memory leak problems.

	* Creation of configuration scripts to make STLport configuration easier.

	* Improvment of some algorithm like search_n or stable_sort.

	* Ported to 64 bits platforms.

	* Large file ( > 4 Go) stream support on Win32 platform.