* Custom return value delegate sequences for variadic functions
* Added unit tests for variadic functions custom return value delegate sequences
* Fixes in code style
* Variadic functions custom delegates also tested in C++
* Fixed some compilation warnings
* Added test for variadic function custom delegates sequence reset
* Updated documentation with variadic functions custom delegate sequences
* Update README.md
* Minor style changes.
Thank you very much @oliviera9!
Using a function that sets a value on a variable via a char pointer, we
test the following:
1 - Does the custom fakes are called in the expected order?
2 - When the sequence length is exhausted, do we only call the last
custom fake in the sequence from then on?
