Improve documentation of sw_upgrade()

- documentation now includes the changes to classes "swWeather" and "swWeatherData" with v6.0.0

.Rbuildignore

@@ -12,7 +12,7 @@
 ^cran-comments\.md$
 ^NEWS\.md$
 ^tests/
-tests/rSOILWAT_IntegrationTestOutput
+tests/rSOILWAT_IntegrationTestOutput*
 src/SOILWAT2/\.git
 src/SOILWAT2/\.github
 src/SOILWAT2/doc

.gitignore

@@ -34,7 +34,7 @@ Thumbs.db
 # Package check files
 ..Rcheck
 rSOILWAT2.Rcheck
-rSOILWAT_IntegrationTestOutput/
+rSOILWAT_IntegrationTestOutput*
 tests/spelling.Rout.save
 backup/
 

R/A_swGenericMethods.R

@@ -224,6 +224,14 @@ format_timestamp <- function(object) {
 #'       * class [`swFiles-class`]:
 #'         `SWRC` parameter input file added as file 6 for a new total of 23
 #'       * class [`swProd-class`]: new slot `"veg_method"`
+#'       * class [`swWeatherData`]: new slots `"use_cloudCoverMonthly"`,
+#'         `"use_windSpeedMonthly"`, `"use_humidityMonthly"`,
+#'         `"dailyInputFlags"`, and `"desc_rsds"`
+#'       * class [`swWeatherData`]: slot `"data"` gained 11 new columns:
+#'         `"cloudCov_pct"`, `"windSpeed_mPERs"`, `"windSpeed_east_mPERs"`,
+#'         `"windSpeed_north_mPERs"`, `"rHavg_pct"`, `"rHmax_pct"`,
+#'         `"rHmin_pct"`, `"specHavg_pct"`, `"Tdewpoint_C"`, `"actVP_kPa"`,
+#'         and `"shortWR"`
 #'   * Changes with `v5.4.0`:
 #'       * classes [`swEstabSpecies-class`] and [`swEstab-class`]:
 #'         new slot `"vegType"`