[x] Please always write non-English usage, package names, software names and
API names in undirected single quotes in title and description in the
DESCRIPTION file. e.g: --> 'R'
[x] The Description field of the DESCRIPTION file is intended to be a (one
paragraph) description of what the package does and why it may be
useful. Please elaborate.
[x] Please make sure that you do not change the user's options, par or
working directory. If you really have to do so, please ensure with an
immediate call of on.exit()
Implement CRAN submission comments for 0.1.0