Merge branch 'vadz-better-param-names'

* vadz-better-param-names:
  Enable keyword arguments for keyword_rename unit test
  Update error messages test suite
  Add more tests for Python parameter renaming
  Improve handling parameters clashing with language keywords

Examples/test-suite/python/autodoc_runme.py

@@ -202,3 +202,5 @@ check(inspect.getdoc(banana), "banana(S a, S b, int c, Integer d)")
 check(inspect.getdoc(TInteger), "Proxy of C++ T< int > class.", "::T< int >")
 check(inspect.getdoc(TInteger.__init__), "__init__(TInteger self) -> TInteger", None, skip)
 check(inspect.getdoc(TInteger.inout), "inout(TInteger self, TInteger t) -> TInteger")
+
+check(inspect.getdoc(process), "process(_from) -> int")

Examples/test-suite/python/keyword_rename_runme.py

@@ -1,4 +1,6 @@
 #!/usr/bin/env python
 import keyword_rename
 keyword_rename._in(1)
+keyword_rename._in(_except=1)
 keyword_rename._except(1)
+keyword_rename._except(_in=1)