np.intとintが変換できるように改造
python3に対応するように改造
Merge branch 'master' of https://github.com/ndarray/Boost.NumPy
define NPY_NO_DEPRECATED_API
define HAVE_ROUND to avoid warning C4273 in VS2013
modify the returning types of the functions (shape, strides, etc); it's compatible with python 64bit (i supporse)
register rvalue_converter numpy.int -> int