3.5.0a1 (9 March 2016)

---Pre-release version---

General

• Add support for the --client-cert and --client-key command line parameters
  and client_cert and client_key parameters to the get_client() call. #520 (richm)

Bug fixes

• Disallow users from creating snapshots with upper-case letters, which is not
  permitted by Elasticsearch. #562 (untergeek)
• Remove print() command from setup.py as it causes issues with command-
  line retrieval of --url, etc. #568 (thib-ack)
• Remove unnecessary argument from build_filter() #530 (zzugg)