Do not access a null shared_ptr. Closes #110.
Do not access a null shared_ptr. Closes #110.

ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,saschazelzer/CppMicroServices,CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,CppMicroServices/CppMicroServices,saschazelzer/CppMicroServices