Bump version to 3.1.2 and add date to changelog.

Author: tobiasschuerg

CHANGELOG.md

@@ -1,17 +1,18 @@
 # Changelog
-## Version 3.x.x
+
+## Version 3.1.2 (2020-04-18)
  - [FIX] Compilation error on fields order (#43)
  - [FIX] Invalid precision constant for microseconds (#49)
  - [FIX] Write error in case point has no tags (#50)
 
-## Version 3.1.1
-- [Updated] CA Certificate for SSL (#38)
+## Version 3.1.1 (2020-04-06)
+ - [Updated] CA Certificate for SSL (#38)
 
-## Version 3.1.0
+## Version 3.1.0 (2020-03-12)
  - [NEW] Added User-agent header
  - [FIX] status code check when pinging an InfluxDB version 1.x instance
 
-## Version 3.0.0
+## Version 3.0.0 (2020-02-11)
  - New API with similar keywords as other official InfluxDB clients
  - Richer set of data types for fields and timestamp methods
  - Advanced features, such as implicit batching, automatic retrying on server backpressure and connection failure, along with secured communication over TLS supported for both devices and authentication

library.properties

@@ -1,5 +1,5 @@
 name=ESP8266 Influxdb 
-version=3.1.1
+version=3.1.2
 author=Tobias Schürg, Influxdata
 maintainer=Tobias Schürg, InfluxData
 sentence=InfluxDB Client for Arduino. 

src/InfluxDbClient.h

@@ -27,7 +27,7 @@
 #ifndef _INFLUXDB_CLIENT_H_
 #define _INFLUXDB_CLIENT_H_
 
-#define INFLUXDB_CLIENT_VERSION "3.1.1"
+#define INFLUXDB_CLIENT_VERSION "3.1.2"
 
 #include "Arduino.h"