1.03
* add method "elevationgrid" to VRML::VRML2
* add 'defmat' and 'deftex' to method "appearance"
* correct documentation of PointLight (add 'ambientIntensity')

1.02
* add methods "backgroundimage" and  "backgroundcolor" to VRML::VRML2
* remove parameter 'ambientIntensity' from method "DirectionalLight" in modul
  VRML::VRML1::Standard

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

1.00
* remove method VRML_head (->new() generates now the VRML-header)
* remove auto switching degree <-> radiant

0.97
* beta release