Update README.md

Author: hypfvieh

README.md

@@ -11,6 +11,8 @@ Using this version as replacement for 2.7.x however, will not work without chang
   - Replaced libmatthew with jnr-unixsocket
   - Removed all native library files and sources 
   - Added new transport system to use jnr-unixsocket (replaces old Transport class)
+  - Added support for empty collections/arrays (thanks to [chris-melman](https://github.com/chris-melman))
+  - Added support of DBUS_MACHINE_ID_LOCATION environment property to allow usage of dbus-java on Windows (thanks to [chris-melman](https://github.com/chris-melman))
 
 ##### Changes in 3.0.2
   - Added support for handling various DBus signals without the need to create a specific interface class (thanks to [rm5248](https://github.com/rm5248))