Add encryption functionality#1

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endotronic wants to merge 6 commits intobotverse:masterfrom

endotronic:master

Commits on Oct 1, 2014

Commits on Oct 6, 2014

Backwards compatibility
endotronic
committed

Commits on Oct 7, 2014

Fix typo
endotronic
committed

Commits on Jan 13, 2017

Fixed deprecation warning by specifying digest
james-lemon
committed

Commits on Jul 2, 2017

Merge pull request #1 from james-lemon/master
endotronic
authored