SciTools/cartopy — pull request #304 by esc24 (2013-07-15 15:45:50+00:00)
Title: C++ fixes to _trace.cpp and _trace.h

This PR adds a number of ```const``` keywords, fixes the use of angle brackets on an ```#include``` and fixes the virtual destructor issue (see #62).

These changes work on linux and mac. I'd like to see them tested on a windows machine.