Auth'd archer/travis.
Added a basic example to the README
Fix support for PHP 5.3 and 5.4.
Removed use of IsolatorTrait for 5.3 compatibility.
Removed callable typehint.
Added tests for exceptions.
Added false as a failure value.
Removed exception handling.
Fixed timeout bug.
Bumped version and updated changelog.
Merge branch 'release/0.1.0'