old_contents: __author__ = ("Haibao Tang", "Vivek Krishnakumar", "Jingping Li")
  __copyright__ = "Copyright (c) 2010-2019, Haibao Tang"
  __email__ = "tanghaibao@gmail.com"
  __license__ = "BSD"
  __status__ = "Development"
  __version__ = "0.9.6"
  
new_contents: __author__ = ("Haibao Tang", "Vivek Krishnakumar", "Jingping Li")
  __copyright__ = "Copyright (c) 2010-2019, Haibao Tang"
  __email__ = "tanghaibao@gmail.com"
  __license__ = "BSD"
  __status__ = "Development"
  __version__ = "0.9.9"
  
subject: Upgrade to v0.9.9