Improve ref-qualifier implementation

Internally, handle function ref-qualifiers in the function decl type string.
Needed for a whole host of things to work like %feature and %rename.
Add %feature %rename and %ignore testing for ref-qualifiers.

Examples/test-suite/python/cpp11_ref_qualifiers_runme.py

@@ -1,6 +1,37 @@
 import cpp11_ref_qualifiers
 
 h = cpp11_ref_qualifiers.Host()
+
+# Basic testing
 h.h1()
 h.h2()
+h.h6()
+h.h7()
+
 h.h()
+
+# %feature testing
+f = cpp11_ref_qualifiers.Features()
+if f.F1() != "F1":
+    raise RuntimeException("Fail")
+if f.F2() != "F2":
+    raise RuntimeException("Fail")
+if f.F3() != "F3":
+    raise RuntimeException("Fail")
+
+if f.C1(0) != "C1":
+    raise RuntimeException("Fail")
+if f.C2(0) != "C2":
+    raise RuntimeException("Fail")
+if f.C3(0) != "C3":
+    raise RuntimeException("Fail")
+
+# %rename testing
+r = cpp11_ref_qualifiers.Renames()
+r.RR1()
+r.RR2()
+r.RR3()
+
+r.SS1(0)
+r.SS2(0)
+r.SS3(0)