add function to check and build the package.

NAMESPACE

 # Generated by roxygen2 (4.1.1): do not edit by hand
 
 export(subsetDropAll)
+export(wgpigs)

buildPkg.R

+## require(roxygen2)
+## setwd("/home/walmes/GitHub/")
+## roxygenise(package.dir="wzRfun")
+
+require(devtools)
+
+if(!grepl(x=getwd(), pattern="/legTools$")){
+    stop("Move to /legTools directory.")
+}
+
+## Create/update NAMESPACE, *.Rd files.
+document()
+check_doc()
+
+check()
+## Updating legTools documentation
+## Loading legTools
+## Warning message:
+## In setup_ns_exports(pkg, export_all) :
+##   Objects listed as exports, but not present in namespace: wgpigs
+
+## build()
+## build_win()