accept string for the system of houses wanted, coerce to character, anythng else defaults to O for Porphyry, invalid character calculates to Placidus, Swiss Ephemeris always calculates houses together with the angles, a future false / nil will simply have to hide them from the result
accept string for the system of houses wanted, coerce to character, anythng else defaults to O for Porphyry, invalid character calculates to Placidus, Swiss Ephemeris always calculates houses together with the angles, a future false / nil will simply have to hide them from the result

astrolet/swejar,astrolet/swejar