1.02
* add methods "backgroundimage" and  "backgroundcolor" 
* remove parameter 'ambientIntensity' in method "DirectionalLight" in module
  VRML::VRML1::Standard

1.01
* add method "worldinfo" to VRML::VRML1
* add parameter 'top', 'side' and 'bottom' to method "cylinder"

1.00
* first release
