Update Guide to include onRerun's need for calling this.next()
Update Guide to include onRerun's need for calling this.next()

Learned this the hard way, let's not make others do the same.
TechplexEngineer/iron-router,iron-meteor/iron-router,tianzhihen/iron-router,iron-meteor/iron-router,sean-stanley/iron-router,sean-stanley/iron-router,TechplexEngineer/iron-router,Sombressoul/iron-router,Sombressoul/iron-router,snamoah/iron-router,abhiaiyer91/iron-router,ecuanaso/iron-router,assets1975/iron-router,appoets/iron-router,Hyparman/iron-router,appoets/iron-router,firdausramlan/iron-router,assets1975/iron-router,jg3526/iron-router,jg3526/iron-router,Hyparman/iron-router,tianzhihen/iron-router,snamoah/iron-router,abhiaiyer91/iron-router,ecuanaso/iron-router,firdausramlan/iron-router