naming convention in test runner to search for related source files in the test directory
tests for wrapping C++ code

(There may not be enough line breaks...)

This is related to <http://trac.cython.org/cython_trac/ticket/50>.

Cython 0.12.1 still generates string literals that can be too long for MSVC*
compilers. Please consider the following patch.

It seems that temp file handles don't work well with fork.