improve with nicer XML output, and also support benchmarking

Add support for Emscripten/WebAssembly

- fixed problem with compilation on Windows 7 / VS2015

Fix C6308 warning in VS2019. ...

Fixes #62.

Update README.md

Try compiling with Clang/MSVC.

Minor bugfix.

Remove winbase.h include.

Remove travis.

Fix issue #52. (#54) ...

* Fix issue #52.

Fixes #52.

* Fix.

* Make appveyor cleaner.

* Make appveyor cleaner.

* Try surpress warning on MSVC.

Create cmake.yml (#55) ...

* Create cmake.yml

Merge pull request #50 from sheredom/fix49 ...

Fix possibly uninit var.

Fix possibly uninit var. ...

Fixes #49.

Update FUNDING.yml

Create FUNDING.yml

Merge pull request #48 from ldrumm/reset-errno ...

Reset errno between tests

Reset errno between tests ...

This is helpful for separating user test cases from each other, and also
fixes a bug wherby `UTEST_COLOUR_OUTPUT` implicity sets `errno` if the
standard streams are not connected to a tty. e.g.

```shell-session
$ cat <<EOF > test.c

UTEST(errno, not_set)
{
    ASSERT_EQ(errno, 0);
}

UTEST_MAIN();
EOF

$ cc test.c
$ ./a.out
[==========] Running 1 test cases.
[ RUN      ] errno.not_set
[       OK ] errno.not_set (1747ns)
[==========] 1 test cases ran.
[  PASSED  ] 1 tests.
$ ./a.out | cat
[==========] Running 1 test cases.
[ RUN      ] errno.not_set
test.c:6: Failure
  Expected : 25
    Actual : 0
[  FAILED  ] errno.not_set (4892ns)
[==========] 1 test cases ran.
[  PASSED  ] 0 tests.
[  FAILED  ] 1 tests, listed below:
[  FAILED  ] errno.not_set
```

Build fix - use UTEST_CAST instead of C style cast.

Merge pull request #46 from peterlindgren/master ...

*_STRNEQ & *_STRNNE no longer assumes input strings are null-terminated, instead user provides the length.

*_STRNEQ & *_STRNNE no longer assumes input strings are null-terminated, instead user provides the length.

*_STRNEQ & *_STRNNE no longer assumes input strings are null-terminated, instead user provides the length.

Merge pull request #43 from sheredom/attempted_fix ...

Attempt build fix.

Attempt build fix.

Merge pull request #42 from yangxingpping/master ...

fix compile error on gcc4.8.5

fix compile error on gcc4.8.5

Merge pull request #37 from sheredom/add_testing_for_c99_and_c11 ...

Add testing for c99 and c11.

Add testing for c99 and c11.

Merge pull request #35 from sheredom/fix_c11_build ...

Fix the c11 build on linux by using the newer timespec_get function.

Fix the c11 build on linux by using the newer timespec_get function.

Merge pull request #33 from sheredom/add_strncmp_methods ...

Add strncmp variants of the EXPECT and ASSERT.