diff --git a/setup.py b/setup.py
index aa54eae..49a0f75 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,7 @@
 # -*- coding:utf-8 -*-
 
 from setuptools import setup
+import sigal
 import sys
 
 requires = ['PIL', 'jinja2', 'docutils']
@@ -15,7 +16,7 @@ entry_points = {
 
 setup(
     name = 'sigal',
-    version = '0.1',
+    version = sigal.__version__,
     description = 'simple static gallery generator',
     long_description = open('README.rst').read(),
     url = 'https://github.com/saimn/sigal',
diff --git a/sigal/__init__.py b/sigal/__init__.py
old mode 100755
new mode 100644
index 4369f9f..2c87baa
--- a/sigal/__init__.py
+++ b/sigal/__init__.py
@@ -6,7 +6,7 @@
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
@@ -28,8 +28,7 @@ sigal is yet another python script to prepare a static gallery of images:
 """
 
 __author__ = "Saimon (contact at saimon dot org)"
-__version__ = "0.1"
-__date__ = "20110513"
+__version__ = "0.1-dev"
 __copyright__ = "Copyright (C) 2009-2012 - saimon.org"
 __license__ = "GPL"
 
@@ -43,17 +42,15 @@ from sigal.theme import Theme
 def main():
     "main program"
 
-    version = "version %s, %s" % (__version__, __date__)
-
     parser = argparse.ArgumentParser(description='simple static gallery generator.')
     parser.add_argument('input_dir', help='input directory')
     parser.add_argument('output_dir', help='output directory')
     parser.add_argument('--version', action='version',
-                        version="%(prog)s " + version)
+                        version="%(prog)s version " + __version__)
     parser.add_argument('-c', '--copyright',
                         help="copyright message added to the images")
     parser.add_argument("-f", "--force", action='store_true',
-                        help="force the reprocessing of existing images and thumbnails")
+                        help="force the reprocessing of existing images")
 
     args = parser.parse_args()
 
@@ -73,10 +70,3 @@ def main():
 
     r = Theme(params, args.output_dir)
     r.render()
-
-    return 0
-
-
-if __name__ == '__main__':
-    status = main()
-    sys.exit(status)
diff --git a/sigal/image.py b/sigal/image.py
index 75f42c0..487acf5 100644
--- a/sigal/image.py
+++ b/sigal/image.py
@@ -2,11 +2,11 @@
 # -*- coding:utf-8 -*-
 
 # sigal - simple static gallery generator
-# Copyright (C) 2009-2011 - Simon C. (saimon.org)
+# Copyright (C) 2009-2012 - Simon C. (saimon.org)
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
@@ -199,4 +199,3 @@ class Gallery:
                 print "Error: metadata not copied for %s." % srcfile
                 return
             dst.write()
-
diff --git a/sigal/params.py b/sigal/params.py
index 27ceb4b..e89c220 100644
--- a/sigal/params.py
+++ b/sigal/params.py
@@ -2,11 +2,11 @@
 # -*- coding:utf-8 -*-
 
 # sigal - simple static gallery generator
-# Copyright (C) 2009-2011 - Simon C. (saimon.org)
+# Copyright (C) 2009-2012 - Simon C. (saimon.org)
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
diff --git a/sigal/theme.py b/sigal/theme.py
index 9ac3a44..9cdccb3 100644
--- a/sigal/theme.py
+++ b/sigal/theme.py
@@ -2,11 +2,11 @@
 # -*- coding:utf-8 -*-
 
 # sigal - simple static gallery generator
-# Copyright (C) 2009-2011 - Simon C. (saimon.org)
+# Copyright (C) 2009-2012 - Simon C. (saimon.org)
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,