Wrote code to answer 'do disked stars have bimodal periods?'
Added Rodriguez-Ledesma2009 to our tables that we match.
Added function `UKvars_match()` - does what it sounds like
Adding `mated_ukvar` to the mix.
Wrote RL_period_get(); untested.
oncvar -> ukvar, AND added RL09 to period comparisons.
Converted oncvar -> ukvar; added RL09 periods to lit comparisons.
Added 'feature': if you're only matching one secondary table...

then you don't have to put it in a list (but you can if you want).

The code will put it in a list for you.
Wrote exploratory code for inverse xmm-matching.
Wrote functioning prototpye hist-plotting code.