Boto 3 - 0.0.6

• feature:Amazon SQS: Add purge action to queue resources
• feature:Waiters: Add documentation for client and resource waiters
  (issue 44)
• feature:Waiters: Add support for resource waiters (issue
  43)
• bugfix:Installation: Remove dependency on the unused six module
  (issue 42)
• feature:Botocore: Update to Botocore 0.80.0
• Update Amazon Simple Workflow Service (SWF) to the latest
  version
• Update AWS Storage Gateway to the latest version
• Update AWS Elastic MapReduce (EMR) to the latest version
• Update AWS Elastic Transcoder to the latest version
• Enable use of page_size for clients (botocore issue
  408)