allow timeouts with better precision than seconds
hhvm is gaining momentum, maybe worth start testing it
Merge pull request #137 from ricardclau/hhvm_test

hhvm is gaining momentum, maybe worth start testing it
Merge pull request #136 from ricardclau/allow_us_timeout

Allow timeouts with better precision than seconds
hopefully fixing requiring vendor/autoload.php in travis
Merge pull request #138 from ricardclau/hhvm_test

hopefully fixing requiring vendor/autoload.php in travis
reverting change in build script