Miscellaneous: Add CPPIterTools (fix fffaraz#740)

Author: myd7349

README.md

@@ -796,6 +796,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Better Enums](https://github.com/aantron/better-enums) - Reflective enums (to string, iteration). Single header. [BSD] [website](http://aantron.github.io/better-enums/)
 * [Better String](http://bstring.sourceforge.net) - An alternative to the string library for C which is more functional and does not have buffer overflow overrun problems. Also includes a C++ wrapper. [BSD, GPL2]
 * [Boost.Signals](http://www.boost.org/doc/libs/1_56_0/doc/html/signals.html) - An implementation of a managed signals and slots system. [Boost]
+* [CPPItertools](https://github.com/ryanhaining/cppitertools) - Range-based for loop add-ons inspired by the Python builtins and itertools library. [BSD-2-Clause]
 * [DynaMix](https://github.com/iboB/dynamix) - A library which allows you to compose and modify objects at run time. [MIT]
 * [{fmt}](https://github.com/fmtlib/fmt) :zap: - Small, safe and fast formatting library for C++. [Simplified BSD]
 * [FastFormat](http://www.fastformat.org) - Fast, Safe C++ Formatting inspired by log4j and Pantheios [Simplified BSD]