update orabindexec.test
improve test tests/oraplexec.test
Oratcl_Exec, Oratcl_Logon, Oratcl_Open changes
fix formating
more test improvements
more test cleanup
Oratcl_ErrorMsg() Use Tcl_AppendObjToObj() eliminating a needless string conversion.
ref counts on pathList object
remove duplicate line
