load charnames, as needed pre-5.16.0
changelog
more info on renaming
v0.003

          renamed dist from ZSCII to ZMachine for future expansion
stupid demo script to round trip
oops; could not decode Z+0x030!

...because it was the character "0"

...which is false
v0.004

        - fixed a boolean-instead-of-defined test that refused to decode
          Z+030, aka the character "0"