argparse 0.6.0

New features:

• An array of functions can now be as the value of convert property,
  so that multi-argument options can use different conversion rules
  for different arguments (#14).
• Mutexes can now include positional arguments (#11).
• Added hidden property for arguments, options and commands,
  removing them from the autogenerated usage and help strings.
• Added :group(name, ...) method to Parser and Command objects, allowing
  custom grouping of arguments, options, and commands in autogenerated
  help string.
• Added help_vertical_space property for configuring number of extra
  newlines between help strings for different arguments and options in
  autogenerated help string.
• Added usage_margin and usage_max_width properties for configuring
  usage string autogeneration.
• Added help_usage_margin and help_description_margin properties
  for configuring help string autogeneration.
• Added help_max_width property. If set, descriptions in help string
  are automatically wrapped to fit into given number of columns.
• Argparse version is now available as argparse.version.

Improvements:

• -- can now be used as a normal option name, with arguments
  after -- always passed to it verbatim (#17).
• When generating help messages for options with arguments and multiple
  aliases, usage strings for different aliases are put on separate lines and
  vertically aligned (#15).

argparse 0.5.0

• Actions can now be used to implement custom processing logic.
• Added actions for arguments.
• Added string aliases for actions such as store_false.
• Command actions are now called after the parsing, with result target as the argument.
• Added command_target property for storing name of used command.
• Improved error messages on missing arguments.
• -f123 is now interpreted as -f 123 when -f takes an optional argument.

argparse 0.4.1

Added license header to argparse.lua for ease of bundling and packaging.

argparse 0.4.0

• Breaking: removed aliases property, aliases can now be set using several space separated strings as name, or, as it was possible before, by setting name property several times.
• Often used properties now can be passed as arguments when calling or constructing an element.
• Added handle_options property, thanks @Alloyed.
• Cleaned up whitespace in generated messages.

argparse 0.3.2

0.3.2 release

argparse 0.3.1

• Fixed incompatibility with old Luarocks versions.

argparse 0.3.0

• Fixed incompatibility with strict.lua and other checkers, thanks to @stepelu.
• Fixed usage message generation to show options taking variable number of arguments after positional arguments, thanks to @kikito.
• In default targets - is now replaced with _.
• New show_default field disables automatic indication of default values in help messages.

argparse 0.2.0

• Bugfix: fixed script name inference not working for Parser:get_help() and Parser:get_usage() methods.
• New feature: added mutually exclusive groups.
• New feature: options and arguments can now be configured to use different argument placeholders for first, second, etc. arguments. E.g. --pair <key> <value>.

argparse 0.1.0

Preparing for 0.1.0 release