parameters: warn for positions outside priors, change theta_disp calling sequence, add template for a theta_disps_floor() method, add clip_to_bounds() convenience method
parameters: warn for positions outside priors, change theta_disp calling sequence, add template for a theta_disps_floor() method, add clip_to_bounds() convenience method

bd-j/prospector,bd-j/prospector,jrleja/bsfh