readme tweak
readme tweak

spark/uber-library-example,vbelfoure/uber-library-example,vbelfoure/uber-library-example,dmautomac/MOD_TCP,blakejakopovic/firmata-spark,mawildoer/encoder,mumblepins/relay-lib,dcabanis/vl6180x_lib,dmautomac/MOD_TCP,pinkman1492/RF24,alex254/ethernet,luckygodswill/Photon,pinkman1492/RF24,spark/uber-library-example,alex254/ethernet,fepblaster/relay,luckygodswill/Photon,fepblaster/Photon_Relay