* Moving the fancy "Parameters" parameter lookup class to its own module.

From now on, use it as wpylib.params.flat class.

params/params_flat_test.py

@@ -0,0 +1,24 @@
+# $Id: params_flat_test.py,v 1.1 2010-09-30 16:16:38 wirawan Exp $
+# 20100930
+
+from wpylib.params import flat as params
+
+def test1():
+  defaults = {
+    'nbasis': 320,
+    'npart': 37,
+    'deltau': 0.025,
+  }
+  p = params(defaults, nbasis=332)
+
+  print "self-defined values = ", p
+  print "nbasis = ", p.nbasis
+  print "npart = ", p.npart
+  print "deltau = ", p.deltau
+  p.deltau = 0.01
+  print "new deltau = ", p.deltau
+
+
+if __name__ == "__main__":
+  test1()
+