as to not break a title like:
"{beta}-Adrenoceptor [...] phenotype."

(the one we actually save);
the citekey must not be changed.

update the CHANGELOG for alpha3, too

to fix a notice from the node module

- trim citekey
- follow the same rule as the D6 version

replacing the object to be saved as a whole did not work,
so now we are emptying $node and copying all properties over from
the first found duplicate.

created one