Created libsaria.startup()

This function should be called to initialize the preferences and
variables dictionary when libsaria is started.  This function triggers
the POSTSTARTUP event.

libsaria/__init__.py

@@ -14,3 +14,4 @@ def startup():
 	global prefs
 	vars = Map()
 	prefs = Map()
+	event.start("POSTSTART")

saria-test.py

@@ -14,8 +14,7 @@ after = now()
 print "libsaria loaded (", after-before, ")"
 
 if len(sys.argv) == 1:
-	from libsaria import fns
-	fns.startup()
+	libsaria.startup()
 	print
 	print "Available tests:"
 	for file in os.listdir("tests"):