v1.4.0 to fix crashing bug

### Releases v1.4.0

1. Fix crashing bug when request a non-existing IP. Check [Http GET polling causes crash when host disconnected #22](https://github.com/khoih-prog/AsyncHTTPRequest_Generic/issues/22)
2. Modify `platform.ini` to avoid compile error with PIO when using ESP8266/ESP32

CONTRIBUTING.md

@@ -15,7 +15,7 @@ If you don't find anything, please [open a new issue](https://github.com/khoih-p
 Please ensure to specify the following:
 
 * Arduino IDE version (e.g. 1.8.16) or Platform.io version
-* `ESP8266`,`ESP32` or `STM32` Core Version (e.g. ESP8266 core v3.0.2, ESP32 v2.0.0 or STM32 v2.1.0)
+* `ESP8266`,`ESP32` or `STM32` Core Version (e.g. ESP8266 core v3.0.2, ESP32 v2.0.1 or STM32 v2.1.0)
 * Contextual information (e.g. what you were trying to achieve)
 * Simplest possible steps to reproduce
 * Anything that might be relevant in your opinion, such as:
@@ -27,9 +27,9 @@ Please ensure to specify the following:
 
 ```
 Arduino IDE version: 1.8.16
-ESP32 Core Version 2.0.0
+ESP32 Core Version 2.0.1
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-86-generic #97-Ubuntu SMP Fri Sep 17 19:19:40 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.4.0-90-generic #101-Ubuntu SMP Fri Oct 15 20:00:55 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
 I encountered an endless loop while trying to connect to Local WiFi.