Client 
 Blaze.Each(argFunc, contentFunc, [elseFunc]) 
 import { Blaze } from 'meteor/blaze' Source 
 Constructs a View that renders contentFunc for each item in a sequence. 
Arguments
 argFunc Function   A function to reactively re-run. The function can return one of two options: 
An object with two fields: '_variable' and '_sequence'. Each iterates over '_sequence', it may be a Cursor, an array, null, or undefined. Inside the Each body you will be able to get the current item from the sequen