v0.3.0

New UI, based on argparse command line options and a high level fit_model function

• new prospector_parse module that generates a default argument parser

• importable default probability function as fitting.lnprobfn

• new high level fit_model method that can use emcee, dynesty, or optimization algorithms

• documentation and new notebook reflect UI changes

• model_setup methods raise a FutureWarning

• better usage of warnings

• non-object prior methods removed