BUG [17087729] read BLOB gives ORA-21560
use proper caste to avoid gcc warning.
fix abort condition and add list error handling for -arraydml option.
hush compiler warnings in gcc strict with the proper cast.
fix serious Tcl_Obj leak in oraplexec and orabindexec
fix a serious Tcl_Obj leak in oraplexec and orabindexec.
fix previous comments
man page updates for arraydml
correct a compiler warning.
docs for array bind
