Updated manuscript for some typos
Copied pre-diet luminex script into repository, converted to markdown.  Part of issue #1
Factored out API call to get pre and post body weights.  Part of issue #1
Performed normality tests of pre-diet measures using Shapiro-Wilk.  Part of issue #11
Switched correlation tests to spearman's rho due to lack of normality.  Part of issue #11
Added tables and figures for absolute weight gain, along with percent weight gain.  Part of issue #1
Wrote summary files out to the processed data folder