and pickling compatibility.

strings with whitespaces, backslashes or unbalanced braces.

strings with whitespaces, backslashes or unbalanced braces.

strings with whitespaces, backslashes or unbalanced braces.

in any mapping, not only in an unicode string.

in any mapping, not only in an unicode string.

in any mapping, not only in an unicode string.

There is no guarantee that NULL is aligned.

There is no guarantee that NULL is aligned.

Added new checks for socket.setblocking().

when result of PyLong_AsLong() narrowed to int without checks.