Also reset the context env when updating interaction-environment. Fixes issue #200.
Also reset the context env when updating interaction-environment.
Fixes issue #200.

norton/chibi-scheme,norton/chibi-scheme,holmescn/chibi-scheme,norton/chibi-scheme,norton/chibi-scheme,holmescn/chibi-scheme,holmescn/chibi-scheme,holmescn/chibi-scheme,holmescn/chibi-scheme,norton/chibi-scheme,norton/chibi-scheme