Prepare for next release

library.json

 {
   "name": "ESP8266_SSD1306",
-  "version": "3.2.7",
+  "version": "4.0.0",
   "keywords": "ssd1306, oled, display, i2c",
   "description": "A I2C display driver for SSD1306 oled displays connected to an ESP8266 or ESP32",
   "repository":
@@ -11,9 +11,9 @@
   "authors":
   [
     {
-        "name": "Daniel Eichhorn",
+        "name": "Daniel Eichhorn, ThingPulse",
         "email": "squix78@gmail.com",
-        "url": "http://blog.squix.ch"
+        "url": "https://thingpulse.com"
     },
     {
         "name": "Fabrice Weinberg",

library.properties

 name=ESP8266 and ESP32 Oled Driver for SSD1306 display
-version=3.2.7
+version=4.0.0
 author=Daniel Eichhorn, Fabrice Weinberg
 maintainer=Daniel Eichhorn <squix78@gmail.com>
 sentence=A I2C display driver for SSD1306 oled displays connected to an ESP8266 or ESP32