Replaced handwritten for loop with std::find
Use only operator<() in standard functions
Added max_element with custom comparator
Added min_element algorithms
Added test for min_element
Added tests for comp versions of max/min_element
Correct -I parameters were already configured for compiling
Merge branch 'for-to-find-fix' of https://github.com/r0mai/LazyIterator
Merge branch 'max-min-algorithms' of https://github.com/r0mai/LazyIterator
Merge branch 'test-include-fix' of https://github.com/r0mai/LazyIterator