PHPRPC Code

when socket output stream was closed and client writes request to the server again, the old implement will raise a SocketException. Now the PHPRPC client will reconnect the server, and try to send request again.

java.net.Socket.setKeepAlive not support in Android. so catch the exception when call this method in PHPRPC_Client.java.

Fixed client wrong behavior if server prematurely closes connection in PHPRPC Client 3.0 for Java.

Add documents for PHPRPC for Java 3.0.

added getEncryptMode method.

Update LICENSE to LGPL 3.0.

fixed issues with chunked encoding for Java.
fixed issues with exception for Java.

fixed issues with chunked encoding.

opoptimized java.util.Date serialize/unserialize.

Add Cast.java.
Update phprpc 3.0 for java to beta 4.