I guess you need to use the latest git version of esp8266 Arduino core. I got PlatformIO working with Arduino IDE finally. And the library changes (in the structural and basic samples part of essaywriting.ninja) don't bother me anymore.
Espressif Systems is a fabless semiconductor company providing cutting-edge low power WiFi SoCs and wireless solutions for wireless communications and Internet of Things applications. We are the manufacturer of ESP8266EX.