Fix pander.desctable S3method

R >= 4.0.0 changes the lookup behavior for S3method, so simply exporting pander.desctable doesn't work anymore.

pander needs to be attached first to enable declaring an S3method.
desctable now *depends* on pander and automatically attaches pander on load.

DESCRIPTION

@@ -9,7 +9,8 @@ Description: Easily create descriptive and comparative tables.
     Tables are produced as data frames/lists of data frames for easy manipulation after creation,
     and ready to be saved as csv, or piped to DT::datatable() or pander::pander() to integrate into reports.
 Depends:
-    R (>= 3.2.3)
+    R (>= 3.2.3),
+    pander
 License: GPL-3
 Encoding: UTF-8
 LazyData: true
@@ -18,8 +19,7 @@ BugReports: https://github.com/maximewack/desctable/issues
 Imports:
     dplyr,
     DT,
-    htmltools,
-    pander
+    htmltools
 Suggests:
     knitr,
     rmarkdown,

NAMESPACE

@@ -5,6 +5,7 @@ S3method(datatable,default)
 S3method(datatable,desctable)
 S3method(desctable,default)
 S3method(desctable,grouped_df)
+S3method(pander,desctable)
 S3method(print,desctable)
 S3method(statify,default)
 S3method(statify,formula)
@@ -17,7 +18,6 @@ export(desctable)
 export(fisher.test)
 export(group_by)
 export(is.normal)
-export(pander.desctable)
 export(percent)
 export(statify)
 export(stats_auto)

man/pander.desctable.Rd

@@ -4,7 +4,7 @@
 \alias{pander.desctable}
 \title{Pander method for desctable}
 \usage{
-pander.desctable(
+\method{pander}{desctable}(
   x = NULL,
   digits = 2,
   justify = "left",