Update to v2.4.0

Author: pradal

src/alinea/astk/version.py

@@ -2,8 +2,8 @@
 #  -*- coding: utf-8 -*-
 
 major = 2
-minor = 3
-post = 2
+minor = 4
+post = 0
 
 __version__ = ".".join([str(s) for s in (major, minor, post)])
 # #}