Add extra notes to the manual
Fix bug: `--score total` for continuous matrices

Before:

    P_{k,j} = - Sum_{i}[ Log[ A''_{i,j} ] ]

After:

    P_{k,j} = Gamma_CDF_Q[ - Sum_{i}[ Log[ A''_{i,j} ] ], m_k, 1 ]
--fontsize controls y-axis instead of global
Update algorithm details and docs