Generate PSPL with parallax lightcurves.

[jluastro]

This is easy to do with BAGLE. We could add tutorials or we could add helpful functions inside PopSyCLE.

[jluastro]

Right now, light curves are only generated for binary/multiple objects. People write their own wrapper code generally to take PopSyCLE output and send it to BAGLE to make light cures. We could make this process easier inside of BAGLE. The reason we don't do it by default is it can be computationally expensive.

Maybe start with some examples.