change MEM dump to occur only for non-windows to /tmp/oratcl_memdump
remove unused tListObjType
remove unused variable definition
remove Tcl_Obj leaks in Oratcl_Init()
more test cleanup
remove unused members of struct OratclState
fix whitespace
update tests/async.tset
cleanup tests/oracols.test
Tcl_AppendObjToObj() is in Tcl8.3 so #defines removed