add comprehensive warnings to new limited acs_epsf option

clean docs

clean docs

add focus-diverse epsf modeling for acs wfc

clean docstring

update faq

update faq

bug fix for WFPC

add option to prompt for coordinates if obj is not a resolvable name

add arsecond differentiation in jwst, roman output names for obj given as decimal degrees

finalize usename feature

generalize file naming

update jwst, roman usename

add back option to use spike.psf.jwst with multiple objects at once -- not sure when that got deleted :/

full implementation of usename for spike.psf.hst