Fix for ESP8266 and possibly other compilers!

0.20.0

typo

v0.17.0

adds generic io callback support

v0.16.2

add platform #ifdef for subscription length

v0.16.1

removes remaining FlashStringHelper constructors, and removes progmem from examples

v0.16.0

removes progmem support

v0.15.0

add the option for anonymous authentication to mqtt brokers

v0.14.3

add standard reconnect function to time example, and increase wait for packet timeout

v0.14.2

adds time interval example

v0.14.1

bump to 0.14.1

v0.14.0

adds subscribe callbacks with example