Fix clang -Wfloat-equal warning

fix issue#327

fix memory leak mentioned in issue 414

Added blank lines in Readme.md

Added blank lines before list items and headings. This change creates consistency between different markdown parsers. There's no difference in the output of Github flavored markdown.

See https://babelmark.github.io/

Fixed different argument between declaration and definition

fix make failed in mac os

CMake: add uninstall target

* fix rmdir error

OSS-Fuzz: build with $CXX

ossfuzz.sh: fix permission bits

Add libFuzzer fuzz target / OSS-Fuzz integration

allow to override PIC_FLAGS and compiler std

fix bug: add const to the parameter in the cJSON_GetStringValue function

Add const qualifier to cJSON_CreateStringArray

CMake: Improve install target

initialize variables in print_number

Adds a const qualifier to the strings in the array to avoid discarding
it from arguments.

Fix typos in REAM.md file

Revert "Replace strcpy with strncpy, sprintf with snprintf"

Replace strcpy with strncpy, sprintf with snprintf