Add move command for moving (leaf)list instances

Change-Id: I0bff25209f74601a450c12a810200b3c124d65f2
diff --git a/src/utils.hpp b/src/utils.hpp
index ecbf919..0196ff8 100644
--- a/src/utils.hpp
+++ b/src/utils.hpp
@@ -26,3 +26,6 @@
 std::string leafDataToString(const leaf_data_ value);
 schemaPath_ anyPathToSchemaPath(const boost::variant<dataPath_, schemaPath_, module_>& path);
 std::string stripLeafListValueFromPath(const std::string& path);
+std::string stripLastListInstanceFromPath(const std::string& path);
+// The string includes module name prefixes.
+std::string instanceToString(const std::string& modName, const ListInstance& instance);