added python test files

these tests should be exhaustive

source/blender/python/api2_2x/doc/testworld.py

@@ -0,0 +1,21 @@
+import Blender
+
+list = Blender.World.Get()
+print "available worlds",list
+
+w = Blender.World.Get("World")
+
+for param in ["Name","Colormodel","Fastcol","Skytype","Mode","Totex","Texact","Mistype","Hor","Zen","Amb","Star","Dof","Mist"]:
+    val = eval("w.get%s()"%param)
+    print param,val
+    val1 = eval("w.set%s(val)"%param)
+    print val1
+
+
+for param in ["name","colormodel","fastcol","skytype","mode","totex","texact","mistype","hor","zen","amb","star","dof","mist"]:
+    exec("val  = w.%s"%param)
+    print param,val
+    exec ("w.%s = val"%param)
+
+    
+