Used sizeof() operator for pointer increments and substituted sizeof() operator for the unsigned int mask calculation to "UNITY_INT_WIDTH / 8" in function "UnityAssertEqualIntArray".

Avoid declaring the loop variable inside the for statement to keep
compatibility with c90:

unity.c:1408: error: for' loop initial declaration used outside C99 mode

Macro UNITY_EXCLUDE_PRINT_FORMATTED changed to UNITY_INCLUDE_PRINT_FORMATTED.
Enable printf via "-DUNITY_INCLUDE_PRINT_FORMATTED" compiler option.

Negating the most-negative signed integer results in overflow, which
is undefined behavior.  Fix this by casting to an unsigned type first
(unsigned overflow is well-defined as it uses modular arithmetic).

Added include of 'stddef.h' to 'unity_internals.h' if 'UNITY_EXCLUDE_STDDEF_H' is not defined. This adds compiler independent support for the 'NULL' macro.

Macros TEST_ASSERT_LESS_OR_EQUAL_HEX32_MESSAGE() and TEST_ASSERT_LESS_OR_EQUAL_HEX64_MESSAGE() need to be mapped to UNITY_TEST_ASSERT_SMALLER_OR_EQUAL_HEXnn() instead of UNITY_TEST_ASSERT_SMALLER_THAN_HEXnn()

Flush the unity stdout buffer before calling TEST_ABORT().
This is because if TEST_PROTECT() has not previously been called this will cause a segmentation fault and the stdout buffer will fail to print

Although the segmentation fault will still occur, the error that caused it will at least be displayed

MISRA 2004 rule 19.10: inside macros, surround each parameter usage with parentheses.

parameter names should match between declaration and definition.
(MISRA 2004 rule 16.4)

Help error detection by adding specific colors for test results. This
behavior is activated only when unity if compiled with UNITY_COLOR flag.

- Enable support for Green Hills Software compiler
- Define weak implementations only once except on Windows

MinGW supports a limited form of weak symbols, with the restriction
that weak/default implementations need to be defined in the same
translation unit they are called from.  Strong/overriding symbols
may of course be specified in a different translation unit.

 Make all comparison operators on integers available

 Check for unsigned types, add 'or equal to' support
 Consolidate to one function to remove repeated code

This is simpler and more flexible than embedding C code in the Ruby options
(:suite_setup and :suite_teardown).  However, support for :suite_setup and
:suite_teardown is kept for backwards compatibility.

Several configurations are possible:
1. :suite_setup and :suite_teardown options provided and used.
2. :suite_setup and :suite_teardown options not provided (nil):
  2a. Weak symbols not supported; suiteSetUp() and suiteTearDown() are not called.
      It would be simpler to make user-provided functions mandatory in this case,
      but it could break some pre-existing test suites.
  2b. Weak symbols are supported and the stub implementations of suiteSetUp() and
      suiteTearDown() are called if there are no user-provided functions.
  2c. Weak symbols are supported but overridden by user-provided suiteSetUp() and
      suiteTearDown() functions.

The existing implementation was not very good:
 - It printed all very small values as "0.000000..."
 - It did not distinguish positive and negative zero
 - In some cases it printed extra garbage digits for single-precision values
   (e.g. 3.9e+30 was printed as 3.90000013+30)

Tests have been updated to check that we now match printf("%.6g") for
1,000,000 randomly chosen values, except for rounding of the 6th digit.