async.Deferred ext

Module Deferred-ext returns async.Deferred adding algorithms from composition algorithms, and seq() as constructor properties instrumented to use Deferred:

• Deferred.all()
• Deferred.par()
• Deferred.any()
• Deferred.one()
• Deferred.race()
• Deferred.seq()

Additionally all() and race() are copied to Deferred.Wrapper:

• Deferred.Wrapper.all()
• Deferred.Wrapper.race()

Just like their generic counterparts, all functions can accept arguments in the following form, yet continue to use Deferred:

var promise = Deferred.all(val1, ... valN);