Merge pull request #475 from HowJMay/pre-release-v0.9.0

refactor(config): Bump version number

Author: jserv

accelerator/config.h

@@ -33,7 +33,7 @@ extern "C" {
  * @brief Configuration of tangle-accelerator
  */
 
-#define TA_VERSION "tangle-accelerator/0.8.0"
+#define TA_VERSION "tangle-accelerator/0.9.0"
 #define TA_HOST "localhost"
 
 #ifdef MQTT_ENABLE