Improve error output from Platform.sh API calls.
Add the URL to the exception messsage.
Fix 'Array must contain at least one element' in checkout.
Merge branch 'issue/150/improve-error-output' into development
Force absolute links on Windows.
Use rmdir() instead of unlink() to delete www in Windows.
Clarify that the Composer vendor/bin directory command does not apply to Windows.
Only rmdir dirs.
Merge pull request #156 from pjcdawkins/windows-abslinks

Improve symlinks on Windows
Make project:clean report number of kept builds.
Release v1.2.5