1.5.1 release

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/RELEASE_1_5_1@324529 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'RELEASE_1_5_0'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/RELEASE_1_5_0@260974 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'RELEASE_1_4_3'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/RELEASE_1_4_3@205831 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'RELEASE_1_0_4'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/RELEASE_1_0_4@205082 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'stem-1-4-2'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/stem-1-4-2@204747 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'stem-1-4-1'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/stem-1-4-1@192418 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'stem-1-4'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/stem-1-4@121506 c90b9560-bf6c-de11-be94-00142212c4b1

This commit was manufactured by cvs2svn to create tag 'start'.

git-svn-id: https://svn.php.net/repository/pecl/stem/tags/start@75374 c90b9560-bf6c-de11-be94-00142212c4b1