minor tweak to the class attribute lookup style in the __getattr__ methods
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added new bug
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added JJ's patch for nestable #repeat directives
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This is a special case for gettext's special method, _.
Submitted by: JJ Behrens, Bob Van Zant
$_ should not do a namespace lookup.  This is for gettext.
*Do* use the NameMapper when looking up "_"; this reverses the last commit.
Just make sure to leave something for gettext to parse.  I use:

        if False:
                _("Translate this.")
Verify that $_ *does* use the NameMapper (this reverses the last commit).
Unfortunately, I can't figure out how to tell if an "if False:" is being
executed ;)
The harmless gettext "hack" now also works for "N_" and "ngettext" in order to
fully support gettext.
o Made the list of gettext functions recognized by the gettext "hack" a
  setting with a default value of ["_", "N_", "ngettext"].  To turn this
  feature off, use [].

o Improved the documentation for Compiler.addGetTextVar.
update
fixed some repr(True/False) errors
removed
stripped out WebwareExp stuff
removed
misc tidy up
- general cleanup
- changed the behaviour of .respond so that it raises an exception if it is
  called without reimplementation in a subclass