Added explicit initializations of reader special variables, so as to be sure to have the right read-base and current readtable.
Added explicit initializations of reader special variables, so
as to be sure to have the right read-base and current readtable.

Added more tests.

vtomole/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL