update_revnum opens the file in binary mode (does not botch CRLF)

IPython/Release.py

@@ -22,7 +22,7 b" name = 'ipython'"
 # because bdist_rpm does not accept dashes (an RPM) convention, and
 # bdist_deb does not accept underscores (a Debian convention).
 
-revision = '45'
+revision = '46'
 
 version = '0.8.3.bzr.r' + revision
 

tools/update_revnum.py

@@ -9,6 +9,6 b" rev = os.popen('bzr revno').read().strip()"
 print "current rev is",rev
 assert ':' not in rev
 
-rfile = open('../IPython/Release.py').read()
+rfile = open('../IPython/Release.py','rb').read()
 newcont = re.sub(r'revision\s*=.*', "revision = '%s'" % rev, rfile)
-open('../IPython/Release.py','w').write(newcont)
+open('../IPython/Release.py','wb').write(newcont)