Reject field ordinals larger than 65535
Reject field ordinals larger than 65535

gbc/the Bond library will now reject field ordinals larger than a Word16
with an error message.

Fixes #111.

sapek/bond,Microsoft/bond,jdubrule/bond,jdubrule/bond,sapek/bond,Microsoft/bond,ant0nsc/bond,tstein/bond,chwarr/bond,jdubrule/bond,chwarr/bond,Microsoft/bond,jdubrule/bond,gencer/bond,ant0nsc/bond,gencer/bond,Microsoft/bond,tstein/bond,sapek/bond,ant0nsc/bond,gencer/bond,chwarr/bond,gencer/bond,gencer/bond,chwarr/bond,ant0nsc/bond,jdubrule/bond,sapek/bond,sapek/bond,chwarr/bond,tstein/bond,tstein/bond,tstein/bond,chwarr/bond,jdubrule/bond,Microsoft/bond,sapek/bond,tstein/bond,Microsoft/bond