learn-physics-0.4: dependencies

Dependencies for learn-physics-0.4

library	base (>=4.2 && <4.8) gnuplot (>=0.5 && <0.6) not-gloss (>=0.5.0.4 && <0.7) spatial-math (>=0.1.7 && <0.3) vector-space (>=0.8.4 && <0.9)