SignatureDoesNotMatch for object keys with special characters in cloudserverclient#21

bert-e merged 5 commits into

development/1.0scality/cloudserverclient:development/1.0from

bugfix/CLDSRVCLT-13/v4-signingscality/cloudserverclient:bugfix/CLDSRVCLT-13/v4-signingCopy head branch name to clipboard