added replace filter
Merge pull request #226 from ckoepp/master

Added non-href option to summarize filter
added replace docs + fixed typo in docs + \n in filter
Merge pull request #230 from ckoepp/filter/replace

Added Replace Filter
Fix wrong except IndexError -> StopIteration
Merge pull request #231 from naufraghi/patch-1

Fix wrong except IndexError -> StopIteration