Basic CMake support.

Speed tests were rewritten as benchmarks (instead of unit tests).

Speed tests were rewritten as benchmarks (instead of unit tests). Submodule google benchmark was added.

Remove Google Mock redundant dependency.

Fix compile tests on linux gcc 4.8.1.

Fix compile tests on linux gcc 4.8.1. Add include guard (pragma once) in boolinq.h, add Makefile, add explicit include of <climits>, comment code which use std::vector of const int, clarify typenames inside utility templates.

Fix compile on linux gcc 4.8.1. Add include guard (pragma once) in boolinq.h, remove gmock include directives, add explicit include of <climits>, comment code which use std::vector of const int, clarify typenames inside utility templates.

Fix compile on linux gcc 3.7.2. Change the name of the template paramete...

skipWhile_i improvements

a "lazy" version of the skipWhile_i function

Added the skipWhile and skipWhile_i LINQ functions

skipWhile_i function + tests

an improvement of the skipWhile function

+ created the skipWhile function
+ added tests for skipWhile function

new functions: takeWhile and takeWhile_i

added new LinqObj methods: takeWhile and takeWhile_i with dedicated for
them tests included in TakeWhileRange.cpp