#2 More specific exceptions

open
nobody
None
5
2002-02-06
2002-02-06
William Monti
No

Bsh have one exception (EvalError) for all evaluation
errors, i think that create more specific exceptions
can simplify the detection of what's happened (today i
have to check the exception message).
I suggest create subclasses of EvalError for the most
common evaluations errors, like, ClassNotFound,
CommandNotFound, etc.

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