enhance oraexec.test
revise the error checking code to be more informative
eliminate compiler warnings with the Tcl_GetIndexFromObj() function
have orafetch usage message match the man page
add 9i timestamp columns
fix version number in pkgIndex.tcl file
remove 2 unused variables
fix core dump situation when built with TCL_MEM_DEBUG
remove leftover debug lines from [orainfo status]
