Log Message:
Update to 4.0. From the changelog:

New functionality:

* Added MemoryAccountant
* Added SimpleStringCache that also removed the memory leak caused by longjmp in C
* Thread-safe memory leak detector overloads
* New command-line options:
  * -h help option
  * -s shuffle (random) option
  * -t run a specific test option
  * -vv extra verbose option
  * -k add a package name to junit output
* Added new asserts: CHECK_COMPARE, and improved C macros
* Support for newer compilers and address sanitizer

Small improvements:

* Fixed problems with gdb
* More 16-bit support
* Added Makefile for making the examples with an installed CppUTest
* Small mock improvements
* Removed more compiler warnings
* Support for C++14, C++17, and C++2x (added to automated build)

Improved maintainability:

* Docker builds
* Vastly improved the automated build with more platforms and variants
* Continuously releasing the passing build
* MS-DOS support (added to automated build)