Merge with default 1.7.13

CHANGELOG.md

CMakeLists.txt

CONTRIBUTORS.md

Makefile

README.md

cJSON.c

cJSON.h

cJSON_Utils.c

fuzzing/CMakeLists.txt

fuzzing/cjson_read_fuzzer.c

fuzzing/fuzz_main.c

fuzzing/ossfuzz.sh

library_config/uninstall.cmake

tests/compare_tests.c

tests/misc_tests.c

tests/old_utils_tests.c

tests/parse_examples.c

tests/print_number.c

tests/readme_examples.c

tests/unity/src/unity.c