detach ESSR when found (good for ESSR development)

git-svn-id: https://svn.r-project.org/ESS/trunk@5549 0bbaf3bd-34e0-0310-bf65-c717079852d4
ESSR adjustments

-- Call debug undebug with the function rather than function name.
-- Make sure the scope is always lexical
-- Fix errors when udnebugging all functions

git-svn-id: https://svn.r-project.org/ESS/trunk@5550 0bbaf3bd-34e0-0310-bf65-c717079852d4
doc string and typos in ess-developer.el

git-svn-id: https://svn.r-project.org/ESS/trunk@5551 0bbaf3bd-34e0-0310-bf65-c717079852d4
unfinished renaming

git-svn-id: https://svn.r-project.org/ESS/trunk@5552 0bbaf3bd-34e0-0310-bf65-c717079852d4
add C-D to ess-dev-map for backward compatibility

git-svn-id: https://svn.r-project.org/ESS/trunk@5553 0bbaf3bd-34e0-0310-bf65-c717079852d4
don't ignore errors in ess-eval-function

  (hides nasty buggs)

git-svn-id: https://svn.r-project.org/ESS/trunk@5554 0bbaf3bd-34e0-0310-bf65-c717079852d4