[S15] Fix ord(s) to work on all Stringy.
[S15] Fix ord(s) to work on all Stringy.

This presumes that Unicodey does Stringy. If not, then you simply need
to add the signatures for Unicodey things where these changes were made.

Additionally, some clarification on .chr(s).

tokuhirom/specs,perl6/specs,prammer/specs,tokuhirom/specs,tokuhirom/specs,prammer/specs,prammer/specs,perl6/specs