Moved the CCompiler exceptions here, to avoid having to import ccompiler.py   just to get a little exception class. No more string-based exceptions.
Moved the CCompiler exceptions here, to avoid having to import ccompiler.py
  just to get a little exception class.
No more string-based exceptions.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator