Prepare for the next release

CHANGES_NEXT_RELEASE

@@ -1,10 +0,0 @@
-- Add a COAP proxy to use a single socket in the outer interactions.
-- Add Execute operation to the library.
-- Add Command-node module for the command-line interpreters.
-- Fix MongoDB did not recover information at starting (#38).
-- Fix command line break when executing command before starting the server (#47).
-- FIX Client handler after connection update (#51)
-- FIX Remove old device registration on the new registration (#52)
-- Add Travis CI files and changes to enable it in the package.json (#55).
-- Add Check lifetime and unregister devices (#56)
-- Add Lifetime unregistration handler (#59)

package.json

@@ -1,7 +1,7 @@
 {
   "name": "lwm2m-node-lib",
   "description": "Library for developing servers and client of OMA Lightweight M2M",
-  "version": "0.4.0",
+  "version": "0.4.0-next",
   "homepage": "https://github.com/telefonicaid/lwm2m-node-lib",
   "author": {
     "name": "Daniel Moran",