2016-01-24: promise 1.0a0 released

''Promises'' are concurrency primitives that let you write
asynchronous code in a sequential style. The `promise` package
is a Tcl based implementation of promises
modeled for the most part on the Javascript/ECMAScript 6 standard.

Project page and downloads are at http://sourceforge.net/projects/tcl-promise/.

Reference documentation is at http://tcl-promise.sourceforge.net but
it's probably best to start with the posts at http://www.magicsplat.com/blog/tags/promises/
for an introduction.

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