0.0.3 improvements

* Support for parameters added [(rctoris)](https://github.com/rctoris/)
* `edu.wpi.rail.jrosbridge.math` package added [(rctoris)](https://github.com/rctoris/)
* Callbacks added to their own `edu.wpi.rail.jrosbridge.core.callback` package [(rctoris)](https://github.com/rctoris/)
* png decompression support added [(rctoris)](https://github.com/rctoris/)
* WSS client connections now supported [(rctoris)](https://github.com/rctoris/)
* `rosauth` authentication added [(rctoris)](https://github.com/rctoris/)