fix issues with std::vector<bool> overload in STL (fixes #216)
diff --git a/example/example17.cpp b/example/example17.cpp
index 8ae4cad..8fd4ad6 100644
--- a/example/example17.cpp
+++ b/example/example17.cpp
@@ -29,6 +29,7 @@
 		.def(pybind11::init<int>());
 
 	pybind11::bind_vector<unsigned int>(m, "VectorInt");
+	pybind11::bind_vector<bool>(m, "VectorBool");
 
 	pybind11::bind_vector<El>(m, "VectorEl");