Swift 4 and 3.2 supporting

• Start to support Swift 4 and 3.2
• No compatibility with Swift 3.1

0.2.5: Merge pull request #7 from noppoMan/swift4

Update files to Swift 4 layout

0.2.4: Merge pull request #6 from noppoMan/meta-data-service

add MetaDataService to auto retrieve instance role credentials

0.2.3: Merge pull request #5 from noppoMan/flat-dictionary

add serializeToFlatDictionary to create valid query string for services that use query service protocol

0.2.2: Merge pull request #4 from noppoMan/noppoMan-patch-1

remove non allowed characters

0.2.1: Merge pull request #2 from noppoMan/detect-region-from-env

detect default region from environment variable

0.2.0: Merge pull request #1 from noppoMan/service-protocol-as-struct

make ServiceProtocol struct

0.1.0

start ci