libearth 0.1.1

• Added a workaround for thread unsafety time.strftime() on CPython.
  See http://bugs.python.org/issue7980 as well. [#32]
• Fixed UnicodeDecodeError which is raised when a feed title contains
  any non-ASCII characters. [#34 by @euphoris]
• Now libearth.parser.rss2 fills Entry.updated_at if it's not given. [#35]
• Fixed TypeError which is raised when any
  DocumentElement with multiple
Child elements is passed to
  validate() function.
• Fixed the race condition of two FileSystemRepository objects creating
  the same directory. [#36 by @klutzy]
• parallel_map() becomes to raise exceptions
  at the last, if any errored. [#38]