2014-04-25 Version 1.0.0

Parallel object maps are now stored in the Rubyverse instead
of the original object so that they can go away when the Rubyverse
does. Object#in_rubyverse now calls Rubyverse#rubyversed (which is
now responsible for invoking Rubyverse#rubyverse_new to create the
new object).

Accordingly, Object#rubyverse_map is now Rubyverse#rubyverse_map.

2014-04-13 Version 0.0.1

First release.