Merge pull request #25 from wagnert/0.5.8-beta

Add readline + switch to new php-ext-appserver 0.1.3
updated pthreads version to current head
Merge pull request #26 from zelgerj/master

updated pthreads version to current head
Merge pull request #2 from techdivision/0.5.8-beta

updated pthreads version to current head