Fixed spelling errors in arg_parse_functions

#   hyphens converted to underscores. If not given or a null string it defaults 

#   to $2

# $4

#   The default value if the argument does not apear on the command line (only 

#   The default value if the argument does not appear on the command line (only 

#   for VALUE types)

# $5

#   The name to use as a placeholder for values in help messages. It defaults 

# Add an alias to a previously defined argument.

#

# This is typically used to define both long and short versions of an argument, 

# or to define a depricated argument name.

# or to define a deprecated argument name.

#

# Usage:

# add_arg_alias <argument> <alias>

#

# Parameters:

# $1

#   The valiable to store the value in.

#   The variable to store the value in.

# $2

#   Whether the argument is required. Either "yes" or "no"

# $3

##

# sumarise_args()

# summarise_args()

# Print a single summary line of the arguments defined.

#

# Usage:

# sumarise_args

# summarise_args

##

sumarise_args ()

summarise_args ()

{

	local ignore_long_flag short_flags long_flags values

	local arg dest metavar argtype default names required

		case "$1" in

			--help|-h)

				printf "$BIN $command"

				sumarise_args | wrap "    "

				summarise_args | wrap "    "

				return 1

				;;

			--summary)

##

# free_args()

# Free all defined arguments so that the don't intefer with future argument 

# definintions (for instance if multiple subcommands are parsing their 

# Free all defined arguments so that the don't interfere with future argument 

# definitions (for instance if multiple subcommands are parsing their 

# arguments).

#

# Usage: