updated to defsatom function
corrected spelling mistake
updated pretty-print to include :subchain
updated to use defsclass defsatom defoproperty
updated so that entity patterns no longer use intern-owl-string function but defentity macro.
updated to use defsoproperty function
updated to use defsclass function
Tidied up tests -- tawny fixes complete
Tawny fixes complete
sio entity functions edited thus tests updated
update