Quantum and Quasiclassical Dynamics of the ${\rm\bf C}(\bf ^3P)$ + ${\rm\bf H_2}(\bf ^1\Sigma_g^+)$ $\rightarrow$ ${\rm\bf H}(\bf ^2S)$ + ${\rm\bf CH}(\bf ^2\Pi)$ reaction: Coriolis Coupling Effects and Stereodynamics