Fixes a compatablility bug with libc++.
Nits in README
Adds an example.

Details:
- Adds a new folder for examples containing a the simple examples
  to find maximum element and even elements in a view.
Adds a word counting example.
Adds an example for the Project Euler problems.

Details:
- This example includes Euler #1 and #4.
- Will add more examples later.