Merge pull request #4 from aried3r/master

Fixed a bug related to sanitizing branch names.

hg-fast-export.py

@@ -140,7 +140,7 @@ def dot(name):
   n=name
   p=re.compile('([[ ~^:?*]|\.\.)')
   n=p.sub('_', n)
-  if n[-1] == '/': n=n[:-1]+'_'
+  if n[-1] in ('/', '.'): n=n[:-1]+'_'
   n='/'.join(map(dot,n.split('/')))
   p=re.compile('_+')
   n=p.sub('_', n)