old_contents: __author__ = ("Haibao Tang", "Vivek Krishnakumar", "Jingping Li")
  __copyright__ = "Copyright (c) 2010-2017, Haibao Tang"
  __email__ = "tanghaibao@gmail.com"
  __license__ = "BSD"
  __status__ = "Development"
  __version__ = "0.7.7"
  
new_contents: __author__ = ("Haibao Tang", "Vivek Krishnakumar", "Jingping Li")
  __copyright__ = "Copyright (c) 2010-2017, Haibao Tang"
  __email__ = "tanghaibao@gmail.com"
  __license__ = "BSD"
  __status__ = "Development"
  __version__ = "0.8.4"
  
subject: Update to version v0.8.4