Implemented fixture for the statements with full cpp document and statements of pp_define type.
Removed unnecessary message of the CMakeList.
Some code review and code style violations fixed.
Remove unnecessary message of the StatementsTest.
Rename "StatmentsTest.cpp" to "StatementsTest.cpp"
Unnecessary files added in previous commit were removed.
* Refactoring to create the StatementBuilder (if, for).
* The first unit tests were added.
* Rename "Statements" class to "StatemetsBuilder".
Unnecessary comments of the unit tests was removed.