made progress on hello message

still need to:
- encrypt username/password with public key
- encrypt bytes from outgoing action's bytes
- send encrypted outgoing action's bytes to the socket
writing hello message, but no response

wrote  17 HelloAction
Exception in thread "main" java.io.EOFException
at java.io.DataInputStream.readInt(Unknown Source)
at rotmg.net.RotmgNetworkHandler.parse(RotmgNetworkHandler.java:124)
at rotmg.net.RotmgNetworkHandler.run(RotmgNetworkHandler.java:74)
at rotmg.experiment.Main.main(Main.java:29)