new itoar function

Hi i wrote a litte function that converts an int4 to the equivalent
_int4 1x1 array.

It is supposed to be used with Oleg's and Teodor's contrib/intarray 
package.

Now i want to ask if someone (especially Oleg and Teodor) could lead
to a way that this function is used for automatic casts.

The code is pretty simple, but if any one wants i can send it.

-- 
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
tel:    +30-10-8981112
fax:    +30-10-8981877
email:  achill@matrix.gatewaynet.com       mantzios@softlab.ece.ntua.gr