v 0.15.0.
Added callback argument support for every command mix-in.
Some fixes and corrections.
..
On branch master
modified:   Readme.md
modified:   lib/commands/connection.js
modified:   lib/commands/hashes.js
modified:   lib/commands/hyperloglog.js
modified:   lib/commands/keys.js
modified:   lib/commands/lists.js
modified:   lib/commands/pubsub.js
modified:   lib/commands/scripting.js
modified:   lib/commands/server.js
modified:   lib/commands/sets.js
modified:   lib/commands/sortedsets.js
modified:   lib/commands/strings.js
modified:   lib/commands/transactions.js
modified:   package.json