Issue #373: Export of etymology values to CSV. Changed frequency None values to 0, added ' before Handshape names that start with =.
Issue #373: Export of etymology values to CSV. Changed frequency None values to 0, added ' before Handshape names that start with =.

Woseseltops/signbank,Woseseltops/signbank,Signbank/NGT-signbank,Woseseltops/signbank,Signbank/NGT-signbank,Signbank/NGT-signbank,Signbank/NGT-signbank,Woseseltops/signbank