added support for walking local varibales in the lexical environment
added support for walking local varibales in the lexical environment

this applies to all those variables defined the envorinment object
grabbed via an &environment macro argument.

darcs-hash:20050707093027-dd2a1-31139801975b71b03165445bf7cd1147bab4e57f.gz

angavrilov/cl-walker