• Install only required packages depending on build environment
  (issue #308)
• Added support for Raspberry Pi WiringPi framework (issue #372)
• Implemented Over The Air (OTA) upgrades for Espressif
  development platform. (issue #365)
• Updated CMSIS framework and added CMSIS support for Nucleo F401RE
  board (issue #373)
• Added support for Espressif ESP8266 ESP-01-1MB board (ready for OTA)
• Handle upload_flags option in [platformio.ini]([issue #368])
• Improved PlatformIO installation on the Mac OS X El Capitan