Fix off-by-one error in caosScript::readCommand error reporting
Fix off-by-one error in caosScript::readCommand error reporting

bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,crystalline/openc2e,crystalline/openc2e,crystalline/openc2e,crystalline/openc2e,crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e