Add catches_strings test to test throws char * typemap

Examples/test-suite/python/catches_strings_runme.py

@@ -0,0 +1,11 @@
+from catches_strings import *
+
+exception_thrown = False
+try:
+    StringsThrower.charstring()
+except RuntimeError as e:
+    if "charstring message" not in str(e):
+        raise RuntimeError("incorrect exception message:" + str(e))
+    exception_thrown = True
+if not exception_thrown:
+    raise RuntimeError("Should have thrown an exception")