this should have been part of previous commit
add tests and improve error handling.
update README
Upgrade to TEA 3.6
correct null byte offset in ColAppend
new Oratcl::utils package added to CVS
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.
