Main Methods and Classes

  * (done) AsyncCondition class
  * (done) asyncIf function
  * (done) AsyncIterator class
  * (done) asyncWhile function
  * (done) asyncForOf function
  * (done) asyncForIn function
  * (done) Collector Class
  * (done) delay function
  * (done) shallowCopy function
  * (done) deepCopy function
  * (done) Publisher class (Publisher#seriesPublish, Publisher#parallelPublish)
  * (done) setImmediate function
  * (done) once function
  * (done) merge function