update History and Readme

Author: nkzawa

History.md

@@ -1,4 +1,9 @@
 
+0.8.1 / 2016-09-27
+==================
+
+* bump `engine.io-client`
+
 0.8.0 / 2016-09-23
 ==================
 

README.md

@@ -21,7 +21,7 @@ Add the following dependency to your `pom.xml`.
   <dependency>
     <groupId>io.socket</groupId>
     <artifactId>socket.io-client</artifactId>
-    <version>0.8.0</version>
+    <version>0.8.1</version>
   </dependency>
 </dependencies>
 ```
@@ -30,7 +30,7 @@ Add the following dependency to your `pom.xml`.
 Add it as a gradle dependency for Android Studio, in `build.gradle`:
 
 ```groovy
-compile ('io.socket:socket.io-client:0.8.0') {
+compile ('io.socket:socket.io-client:0.8.1') {
   // excluding org.json which is provided by Android
   exclude group: 'org.json', module: 'json'
 }