adds the ability to throw http exceptions

[Srgk]

No description provided.

[Srgk]

Checks fail with internal error

$ phpenv global 5.5 2>/dev/null
5.5 is not pre-installed; installing
Downloading archive: https://storage.googleapis.com/travis-ci-language-archives/php/binaries/ubuntu/16.04/x86_64/php-5.5.tar.bz2
0.12s$ curl -s -o archive.tar.bz2 $archive_url && tar xjf archive.tar.bz2 --directory /
bzip2: (stdin) is not a bzip2 file.