create_CRU_df           Create a Tidy Data Frame From CRU CL v.2.0
                        Climatology Variables on Local Disk
create_CRU_stack        Create a List of Raster Stack Objects From CRU
                        CL v. 2.0 Climatology Variables on Local Disk
getCRUCLdata            getCRUCLdata: Download and Create a Data Frame
                        or Raster Stack Object of CRU CL v. 2.0
                        Climatology Variables
get_CRU_df              Download and Create a Tidy Data Frame of CRU CL
                        v. 2.0 Climatology Variables
get_CRU_stack           Download and Create a List of Raster Stack
                        Objects From CRU CL v. 2.0 Climatology
                        Variables
manage_cache            Manage locally cached CRU CL v. 2.0 files
