fails to process repository due to commit message value

svn2bzr errors and fails to complete converting a repository due to the format of one of the svn commit messages.

The commit message is:
'Started to spingify, 1 failing test.\r\nSorry abot size.'

Stack trace is:
Traceback (most recent call last):
  File "./svn2bzr.py", line 194, in <module>
    main()
  File "./svn2bzr.py", line 187, in main
    log=log)
  File "./svn2bzr.py", line 88, in svn2bzr
    creator.run()
  File "/Users/chrisnolan/Documents/Programming/cfssvn2bzr/branchcreator.py", line 624, in run
    self.commit_revision(revno, revision)
  File "/Users/chrisnolan/Documents/Programming/cfssvn2bzr/branchcreator.py", line 606, in commit_revision
    timestamp=timestamp, timezone=offset)
  File "/Users/chrisnolan/Documents/Programming/cfssvn2bzr/branchcreator.py", line 490, in commit
    timestamp, timezone)
  File "/Users/chrisnolan/Documents/Programming/cfssvn2bzr/branchcreator.py", line 526, in commit_brt
    verbose=False)
  File "<string>", line 4, in commit_write_locked
  File "/Library/Python/2.5/site-packages/bzrlib/workingtree_4.py", line 226, in commit
    result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
  File "<string>", line 4, in commit_write_locked
  File "/Library/Python/2.5/site-packages/bzrlib/mutabletree.py", line 228, in commit
    *args, **kwargs)
  File "/Library/Python/2.5/site-packages/bzrlib/commit.py", line 379, in commit
    self.rev_id = self.builder.commit(self.message)
  File "/Library/Python/2.5/site-packages/bzrlib/repository.py", line 165, in commit
    self._validate_unicode_text(message, 'commit message')
  File "/Library/Python/2.5/site-packages/bzrlib/repository.py", line 148, in _validate_unicode_text
    raise ValueError('Invalid value for %s: %r' % (context, text))
ValueError: Invalid value for commit message: u'Started to spingify, 1 failing test.\r\nSorry abot size.'