renamed vaiables in choose_from
tweaked choose_from to give more reasonable behavior
added choose_mutliple function, variant of choose_from
fixed break command in choose_multiple
made the 'all' choice a built in for the choose_multiple command
treated the handling of duplicate entries in choose_multiple
reworked the handling of adding data to from-sratch plots, remove option to to skip to blocks or columns
shen selecting data for a from_scratch plot more information about your previous selections is printed
added check for selecting all columns when there are not current plots
if there is only one plot, user won't be prompted to select it when doing interactive plots
when doing plots to file, user won't be prompted to select plot if there is only one plot
changed column labels in mEos.txt to test for latex rendering
added option to delete whole plots, or just columns
cleaned up choose_multiple prompt
fixed error when adding all columns as new plot when plots already exist
cleaned up output when matching new columns to old plots
fixed error when adding new columns to old plots
improved delete function to delete multiple plots or fall to select multiple columns
choose_multiple changes default selection to exit after a valid selection has been made
verbose option is set to -1 by default in interactive mode