Walk in the wild

Change in public settings:

• modern-c++-literals - has been removed
• modern-c++-literal-boolean + has been added. It is a boolean set to t by default
• modern-c++-literal-null-pointer + has been added. It is a boolean set to t by default

Gilty commit: d4b59ae

Curious Adventures

• Added unit tests
• Added string literals

A small step

Support C++ integer literal.