Uniformly replaced init() functions by __init__() constructors.
A few simple things seem to work, I haven't tested it thouroughly
though...
diff --git a/Demo/sgi/video/imgconv.py b/Demo/sgi/video/imgconv.py
index 08bc7af..291fdc8 100755
--- a/Demo/sgi/video/imgconv.py
+++ b/Demo/sgi/video/imgconv.py
@@ -126,14 +126,13 @@
 
 def instantiate_converter(args):
 	list = args[2]
-	cl = RtConverters().init(list)
+	cl = RtConverters(list)
 	args.append(cl.convert)
 	return args
 
 class RtConverters:
-	def init(self, list):
+	def __init__(self, list):
 		self.list = list
-		return self
 
 	def convert(self, img, w, h):
 		for cv in self.list: