check_arg               Checks arguments and informs the user
                        appropriately
dreamerr-package        Error Handling Made Easy
enumerate_items         Enumerates the elements of a vector
fit_screen              Nicely fits a message in the current R console
fsignif                 Formatting numbers with display of significant
                        digits
ifsingle                Conditional element selection
n_times                 Numbers in letters
package_stats           Provides package statistics
plural                  Adds an s and/or a singular/plural verb
                        depending on the argument's length
setDreamerr_check       Sets dreamerr argument checking functions on or
                        off
setDreamerr_dev.mode    Sets the developer mode to help form check_arg
                        calls
set_check               Sets argument checking on/off "semi-globally"
set_up                  Sets "semi-globally" the 'up' argument of
                        dreamerr's functions
sfill                   Fills a string vector with a symbol
stop_up                 Stops (or warns in) sub-function execution
validate_dots           Checks the arguments in dots from methods
