refactor, use sprintf
golf
move slash
if response is false, return 'not available'
golf
getUserData is unnecessary
improved __call
eliminate whitespace
fix availabilityzone
add testcase
add getBlockDeviceMappingTest
newline
comment
define dummy public-keys
add getPublicKeys Test
phpunit.xml
add getUserData Test
fix getRamdiskIdTest
add getHostname Test
add Mock to blacklist