Wrapper scripts that bring their own `init.scm` to the party.

--HG--
rename : script/miniscm.sh => script/tinyscheme.sh
Step toward simplicity: don't even bother with the `eval` route.
Humm, this SEEMS to be working... but it will all change again.
Simpler.  But also broken!  I can feel the abyss peering back...
This way will work.  I know this way will work.  Eventually.
A chicken in every pot, an adapter for every Scheme.  (hmm...)
HULK SMASH PUNY TOWER OF SCHEME INTERPRETERS!
Ah, well, see, then that's the problem then isn't it.
Fix everything that was wrong with everything else and stuff.