Squashed commit of the following:

commit f4955b37e1e224f9e253fad45b6985c19c0532e5
Author: Nikos M <Nikos@Nikos-PC.(none)>
Date:   Sat Dec 28 02:25:01 2013 +0200

    remove comment

commit cdc9e193c190660871b35332ad3fbe07b095fa4a
Author: Nikos M <Nikos@Nikos-PC.(none)>
Date:   Fri Dec 27 15:31:50 2013 +0200

    better isNode detection
Merge https://github.com/foo123/parallel.js

Conflicts:
	lib/parallel.js