2014-01-25    Bo Wang <activesys.wb@gmail.com>
    * Release libcstl-2.3.0
    * Update type mechnanism for supporting generic pointer type. 
    * Support c99 builtin type(unix only).
    * Add type cache for improving efficiency.
    * Fixup bug 5, 24, 26

2013-06-15    Bo Wang <activesys.wb@gmail.com>
    * Release libcstl-2.2.0
    * Fixup bug 3, 9, 25.
    * Refactoring basic_string_t and string_t.

2012-11-22    Bo Wang <activesys.wb@gmail.com>
    * Release libcstl-2.1.1
    * Fixup bug 4, 17, 18, 20, 21, 23.
    * Add priority_queue_init_copy_array and priority_queue_init_copy_array_ex interface.

2012-07-12    Bo Wang <activesys.wb@gmail.com>
    * Release libcstl-2.1.0

2012-07-04    Bo Wang <activesys.wb@gmail.com>
    * Fixup bug 1.

2012-07-03    Bo Wang <activesys.wb@gmail.com>
    * Support array interface for all container.

2012-01-14    Bo Wang <activesys.wb@gmail.com>
    * Support extended iterator range for all container.

2011-12-04    Bo Wang <activesys.wb@gmail.com>
    Version 2.0.3
    * Release libcstl-2.0.3.
    * Fixup bug 27, 28.

2011-10-22    Bo Wang <activesys.wb@gmail.com>
    * Fixup bug 28.

2011-10-12    Bo Wang <activesys.wb@gmail.com>
    * Fixup bug 27.

2011-10-09    Bo Wang <activesys.wb@gmail.com>
    Version 2.0.2
    * Release libcstl-2.0.2.
    * Fixup bug 4, 12, 13, 14, 16, 17, 18, 19, 20, 22.
    * Add version macro.

2010-10-01    Bo Wang <activesys.wb@gmail.com>
    Version 2.0.1
    * Release libcstl-2.0.1.
    * Fixup bug on 64-bit OS.

2010-06-09    Bo Wang <activesys.wb@gmail.com>
    Version 2.0.0
    * Release libcstl-2.0.0.
    * Add range_t type.
    * Add c-style string support.
    * Add VS project support.
    * Update default compare function in pair_t, map_t, multimap_t, hash_map_t and hash_multimap_t.
    * Update default hash function in hash_set_t, hash_multiset_t, hash_map_t and hash_multimap_t.
    * Add user defined type support.
    * Add type mechanism support.

2009-04-25    Bo Wang <activesys.wb@gmail.com>
    Version 1.0.1
    * Release libcstl-1.0.1.
    * Fixup bugs in initialization operation of all containers.
    * Fixup bugs in Makefile.

2009-04-20    Bo Wang <activesys.wb@gmail.com>
    Version 1.0.0
    * Release libcstl-1.0.0.