To run these tests is needed to install some gems

You can install with bundler (bundler is required to be installed before)
	bundle install
or individually
	gem install --remote --include-dependencies POpen4 -v 0.1.4
	gem install --remote --include-dependencies em-http-request -v 0.2.14
	gem install --remote --include-dependencies json -v 1.4.3
