minor code cleaning and examples update

examples/exMathInterpreter.cpp

@@ -41,35 +41,3 @@ int main(int argc, char* argv[])
     
     return EXIT_SUCCESS;
 }
-
-/*int main(void)
-{
-    ASCIIFile F;
-    DMat A,B;
-    
-    F.Open("foo.boot",FileMode::Read);
-    A = F.Read<DMat>("bla");
-    B = F.Read<DMat>("bli");
-    cout << A << endl;
-    cout << B << endl;
-    cout << A*B << endl;
-
-    return EXIT_SUCCESS;
-}*/
-
-/*
-int main(void)
-{
-    DMat m(2,2);
-    
-    m(0,6) = 3;
-    m(1,0) = 2.5;
-    m(0,1) = -1;
-    m(1,1) = m(1,0) + m(0,1);
-    cout << "Here is the matrix m:\n" << m << endl;
-    DVec v(2);
-    v(0) = 4;
-    v(1) = v(0) - 1;
-    cout << "Here is the vector v:\n" << v << endl;
-}
-*/