Fix basic-repl's STREAM-CLEAR-BETWEEN.
Fix basic-repl's STREAM-CLEAR-BETWEEN.

froggey/Mezzano,AugustusHuang/Mezzano,AugustusHuang/Mezzano,varjagg/Mezzano,froggey/Mezzano,rvedam/Mezzano,varjagg/Mezzano,rvedam/Mezzano