Add comments to other PubSubClient methods
Add comments to other PubSubClient methods

koltegirish/pubsubclient,Protoneer/pubsubclient,hemantsangwan/Arduino-PubSubClient,Protoneer/pubsubclient,doebi/pubsubclient,hemantsangwan/Arduino-PubSubClient,koltegirish/pubsubclient,doebi/pubsubclient,vshymanskyy/pubsubclient,Protoneer/pubsubclient,Imroy/pubsubclient,vshymanskyy/pubsubclient,liquiddandruff/pubsubclient,hemantsangwan/Arduino-PubSubClient,vshymanskyy/pubsubclient,Imroy/pubsubclient,koltegirish/pubsubclient,Imroy/pubsubclient,liquiddandruff/pubsubclient,doebi/pubsubclient,liquiddandruff/pubsubclient