Better handling of symbols in doc strings.
Merge branch 'master' of github.com:russell/sphinxcontrib-cldomain

* 'master' of github.com:russell/sphinxcontrib-cldomain:
  updated gitignore.
  Released 0.4
  Released 0.4
  Updated doc string and added todo note.
  Initial version of unused symbol detection.
Updated changelog
Added configurable LISP compiler.
Updated documentation.