cl/gcc-adapt-ext: test for access specifiers of C++ classes added
cl/gcc-adapt-ext: test for 'this' pointer added
cl/gcc-adapt-ext: test for C++ nested classes and nested typedefs added
cl/gcc-adapt-ext: test for cv qualifiers of classes and methods added
cl/gcc-adapt-ext: test for static specifiers within classes scope added

NOTE: Issue #9 @ <https://github.com/deekej/predator/> was discovered
      here.
cl/gcc-adapt-ext: VAR_DECL is now skipped in the 'dig_record_type()'

NOTE: Fixes #9 issue @ <https://github.com/deekej/predator/>.
cl/gcc-adapt-ext: CL_WARN_IF macro introduced

NOTE: This macro behaves same as CL_BREAK_IF, but instead of stopping
      the execution of program, it only prints warning.
cl/gcc-adapt-ext: test for C++ copy constructors added
cl/gcc-adapt-ext: test for C++ conversion constructors added
cl/gcc-adapt-ext: test for classes data members access added (part 1)