Replace all Service instances with calls to the ServicePool

inc/ErrorHandler.hpp

inc/Service.hpp

inc/Services/RequestVerificationService.hpp

inc/Services/TestService.hpp

src/ErrorHandler.cpp

src/MessageParser.cpp

src/main.cpp

test/Services/EventActionService.cpp

test/Services/EventReportService.cpp

test/Services/MemoryManagementService.cpp

test/Services/ParameterService.cpp

test/Services/RequestVerificationService.cpp

test/Services/ServiceTests.hpp

test/Services/TestService.cpp

test/Services/TimeManagementService.cpp