Version bump @0.3.4

### 0.3.4
+ Added width and height properties to the spriter output [@alpadev] (https://github.com/alpadev)
 - 85a04f58 Updates the generator functions to adopt the changes introduced to the spriter script. See #52 [@alpadev]
 - 6416c26d Rewrote most of it.. to accomplish #52 (also the old code been a lil dirty imo :)) [@alpadev]