updated gg_grouplot to take bare unquoted input variables
added option to split correltable by strata variable,
this allows for testting across a 2-level variable
where values are presented for level1 in the upper and
level2 in the lower triangle of the output matrix
scipub 1.2.1
fixed gg_grouplot function
scipub 1.2.0
added new gg_grouplot function
fixed issue in correltable
scipub 1.1.0
added new partial_correltable function
fixed issue for FullTable1 arising from potential
to be missing data for one group of a strata
variable, e.g. symptom scores available for only
patients but not for a healthy group
fixed cutempty behavior for correltable
fixed output behavior for apastat
scipub 1.0.0
Added a NEWS.md file to track changes to the package.