Actually note the properties for cipher modes types on their ABCs.
Proper name for the iv thing.
Add a new Mode interface to document mode.name and start on some prose docs for interfaces.
Single space.
Module documentation.
Consistently use e.g.
Mention return types.
Be really explicit about what's good and bad
Typo
Merge pull request #233 from alex/better-cbc-docs

Clarify correct IV usage
Merge pull request #231 from dreid/mode-interface-properties

[WIP] Document mode interfaces.
Merge branch 'master' into arc4-support

* master:
  Typo
  Be really explicit about what's good and bad
  Mention return types.
  Consistently use e.g.
  Module documentation.
  Single space.
  Add a new Mode interface to document mode.name and start on some prose docs for interfaces.
  Proper name for the iv thing.
  Actually note the properties for cipher modes types on their ABCs.

Conflicts:
	docs/hazmat/primitives/symmetric-encryption.rst