File inclusion

[MikeTaylor]

It would be good to have a file-inclusion facility: something like

%include "fileFromThisDir.sck"
%include "subdir/fileRelativeToCurrentDir.sck"
%include <someStandardFile.sck>

As the third example implies, this could be used to provide a library of standard actions, as discussed (and decided against :-) ) in https://reprog.wordpress.com/2017/10/25/boilerplate-for-scottkit-games-standard-actions/