User shouldn't have to initialize this pass-by-ref parameter

Simplify and enhance readability.

Added stream_get_transports()

Add the mode string that was used to open the stream to the meta data,
as requested by Philip Olson.

Expose php_stream_copy_to_stream as stream_copy_to_stream(); a high
performance alternative to looping reads and writes.

Tidy up stupid signed/unsigned issues with win32 by introducing a php_socket_t typedef.

New user-space functions:
. stream_socket_client() - similar to fsockopen(), but more powerful.
. stream_socket_server() - Creates a server socket.
. stream_socket_accept() - Accept

New user-space functions:
. stream_socket_client() - similar to fsockopen(), but more powerful.
. stream_socket_server() - Creates a server socket.
. stream_socket_accept() - Accept a client connection.
. stream_socket_get_name() - Get local or remote name of socket.

Tidy up some leaks and debug printfs.
Move more streams functions into streamsfuncs.c and streamsfuncs.h.

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Update win32 build.
Since msvc sucks, I had to rename ext/standard/streams.c to ext/standed/streamsfuncs.c