pco and wrapper refine
diff --git a/src/ccnx-pco.cpp b/src/ccnx-pco.cpp
index f592f53..e2db766 100644
--- a/src/ccnx-pco.cpp
+++ b/src/ccnx-pco.cpp
@@ -31,7 +31,7 @@
 }
 
 Bytes
-ParsedContentObject::content()
+ParsedContentObject::content() const
 {
   const unsigned char *content;
   size_t len;
@@ -47,7 +47,7 @@
 }
 
 string
-ParsedContentObject::name()
+ParsedContentObject::name() const
 {
   return CcnxWrapper::extractName((const unsigned char *)m_bytes[0], m_comps);
 }