ML API: Added get_bit_int and get_ratio

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
ML API: build fix

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
ML API: ocamlfind installation fixes

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
ML API: bugfix

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
ML API doc fix

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
ML API doc fixes

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>