preliminary windows support via some new flags
preliminary windows support via some new flags

PYNACL_SODIUM_LIBRARY_NAME lets you set what it should be trying to link
against

PYNACL_SODIUM_STATIC will define SODIUM_STATIC before include to set the
proper dllexport visibility for static linking on windows

lmctv/pynacl,pyca/pynacl,reaperhulk/pynacl,xueyumusic/pynacl,reaperhulk/pynacl,pyca/pynacl,xueyumusic/pynacl,lmctv/pynacl,lmctv/pynacl,pyca/pynacl,lmctv/pynacl,reaperhulk/pynacl,pyca/pynacl,reaperhulk/pynacl,pyca/pynacl,lmctv/pynacl,xueyumusic/pynacl,reaperhulk/pynacl,xueyumusic/pynacl