Log Message:
-----------
* added async command pg::sql. Gives a callback to a statement execution
allowing for async behavior. Based on code from Miguel Sofer.
Modified Files:
--------------
libpgtcl/generic:
pgtcl.c (r1.31 -> r1.32)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgtcl/libpgtcl/generic/pgtcl.c?r1=1.31&r2=1.32)
pgtclCmds.c (r1.79 -> r1.80)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgtcl/libpgtcl/generic/pgtclCmds.c?r1=1.79&r2=1.80)