phpbrew/phpbrew — pull request #294 by Gasol (2014-08-28 09:09:54+00:00)
Title: Fix unstable PHP installation

If install PHP with unstable version, we were get unexpected result like below.

$ phpbrew install php-5.6.0RC4
Version not found.

Because $version in InstallCommand class will be overwritten to empty string by
getLatestMinorVersion()