Stabilized check for bug #218 against unwriteable test dir
Improved stability of regression test for bug #218 by disabling race with auto termination
Stay compatible with g++ 4.6, which we use for Windows compilation
boost::move broke the windows build for some reason, and std::move does not.
Use boost::math::constants::pi to avoid nonstandard M_PI macro
Replaced Pi by its numeric value since boosts variant is not a constexpr yet
Updated and added links to code, bug tracker and mailing list
Added PDF document for spline theory