Release 0.3.2.
Merge pull request #35 from xeodou/master

Rebuilt utils.machineName() with promise.
Slightly changed utils.machineName() and fixed stash.
Adding a new factory: PromiseFlow.
Small tweaks to PromiseFlow.
Moved promise flow into lib.
Added promise.errorListener().
Removed error listener.
Adding protos. Added proto/mixin.
Added tests for proto/mixin.
Added a test for proto/stack.
Temporally disabled promise flow - not ready.
Rebuilt mixable() with proto/mixin.
Merge pull request #38 from devo-ps/promiseFlow

Building things into proto.
Release 0.4.0
Redefining scope. Rewriting readme.
Proto/stack: removed shared stack; doesn't make sense to share it.
Moved mixable again - it's a core library.
Carcass itself is also mixable now.
Rebuilding register into proto.