update README and History for the next release

Author: nkzawa

History.md

@@ -1,3 +1,14 @@
+0.7.0 / 2016-02-01
+==================
+
+* compatible with socket.io 1.4.5
+* bump `engine.io-client`
+* fix event type when emitting ack with binary data [cirocosta]
+* don't reuse same namespace connections
+* fix handling of disconnection while in `opening` state
+* add ping and pong events
+* improve cleanup on `Manager`
+
 0.6.3 / 2015-12-23
 ==================
 

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>0.6.3</version>
+    <version>0.7.0</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:0.6.3') {
+compile ('io.socket:socket.io-client:0.7.0') {
   // excluding org.json which is provided by Android
   exclude group: 'org.json', module: 'json'
 }

pom.xml

@@ -62,7 +62,7 @@
     <dependency>
       <groupId>io.socket</groupId>
       <artifactId>engine.io-client</artifactId>
-      <version>0.7.0-SNAPSHOT</version>
+      <version>0.7.0</version>
     </dependency>
     <dependency>
       <groupId>org.json</groupId>