1.5.5 build

Hi Alexey,

1) In new release some colors in tf.FillFormat.ForeColor are not valid (for example: RGB=0xffbbe0e3 instead RGB=0xffffef66).

2) master_slide = pres.GetSlideById(slide.MasterId) always return .

thanks 1.5.6 is ok!

thanks, 1.5.6 is ok!