Jos,
I did indeed add them. Downloaded them from your first post and installed them to the required directory.

I read the following and wonder if this is the problem:

Libssl.so.1.0.0 obsolete library on Raspbian Stretch, updated November 2017. Since the beginning of November 2017, the libssl.so.1 ...

I seem to be having the same problem as other users on this forum:

/usr/bin/lua: error loading module 'ssl.core' from file '/usr/local/lib/lua/5.2/ssl.so':
libssl.so.1.0.0: cannot open shared object file: No such file or directory
stack traceback:
[C]: in ?
[C]: in function 'require'
/usr ...