Accept txt as synonymous for text

DNSLG/__init__.py

@@ -125,7 +125,8 @@ Disallow: /
         if not path.startswith('/'):
             raise Exception("Internal error: no / at the beginning of %s" % path)
         plaintype = 'text/plain; charset=%s' % self.encoding
-        if format == "TEXT":
+        if format == "TEXT" or format == "TXT":
+            format = "TEXT"
             mtype = 'text/plain; charset=%s' % self.encoding
         elif format == "HTML":
             mtype = 'text/html; charset=%s' % self.encoding

setup.py

@@ -6,7 +6,7 @@ use_setuptools()
 from setuptools import setup
 
 setup(name='DNS-LG',
-      version='2012062402', 
+      version='2012062501', 
       description='DNS Looking Glass',
       license='BSD',
       author='Stephane Bortzmeyer',