Parser: Greatly simplify expression_word (no dispatch for imports).
Parser: Greatly simplify expression_word (no dispatch for imports).

This now resolves the imports up front, then searches through the
relevant package. This was done so that any var/class dynaloading can
be done in a single place (expression_word).

FascinatedBox/lily,jesserayadkins/lily,FascinatedBox/lily,FascinatedBox/lily,jesserayadkins/lily,FascinatedBox/lily,jesserayadkins/lily