Fixed name resolution

Fixed name resolution
  namespace A;
    B::foo(); // 1. this is function "foo" from namespace "B"
              // 2. this is static method "foo" of class "B" from namespace "A"
              // 3. this is static methos "boo" of internal class "B"
  namespace A;
    A::foo(); // 1. this is function "foo" from namespace "A"
              // 2. this is static method "foo" of class "A" from namespace "A"
              // 3. this is static methos "foo" of internal class "A"