1.0.2 2015/06/26 BUG
* Fix FTBFS with gcc 5.0;
* Improve fenv support and lack thereof with some compilers;
* Distinguish size_t from unsigned long in Gyoto::Value;
* Rewrite option parsing in `gyoto' command line utility, add many
options: short options, -i/-j, -E, -X... see manpage and
$ gyoto --help
* Fix many compile-time warnings, including potentially harmfull
undefined behavior;
* KerrKS is not work-in-progress anymore, but it's specific
integrator is known to be buggy (and issues a severe warning when
used).
* Several small bug-fixes, see ChangeLog for details.