# v0.5.12
* Arguments are now sorted by name so displaying of the help info doesn't change from run to run
# v0.5.11
* Fixed bug with partial overrides of help / version (with -v and -h)
* Small code cleanup
# v0.5.10
* Fixed bug when the only options available have no long version in help info
# v0.5.9
* Removed unstable features for Rust 1.0
* Removed libc as a dependency in favor of std::process::exit()
# v0.5.8
* Fixed bug with positional arguments who are required by others, but not listed in usage
* Improved error messages for arguments with exclusions
* Fixed help information formatting (regression from a rebase)
* Improved assertions for flag arguments
* Small code clean ups
# v0.5.7
* Fixed bug with required-by-default arguments who are mutually exclusive
with matched arguments
# v0.5.6
* Fixed another bug in help info formatting, help info is now 100%
# v0.5.5
* Fixed formatting in help info when flags or options have a long but no short
* Prefer long in usage info when a required option has both long and short
# v0.5.4
* Positional arguments that accept multiple values are now displayed correctly
in usage and help string with '...' indicating multiple values
# v0.5.3
* Added support for positional arguments which accept multiple values if they
are last (i.e. have the highest index)
* Fixed several assertions for developer errors (i.e. not end-user errors)
# v0.5.2
* Fixed a bug when applications have hyphens in their names
# v0.5.1
* Fixed a bug when the only arguments you've defined are also required
# v0.5.0
* Added support for values and positional arguments with only specific values
* Some performance fixes
* Minor bug fixes
# v0.4.18
* Correctly displays subcommand names when printint help, version, or usage
(i.e. 'parent-subcommand' for help/version or 'parent subcommand' for usage)
* Fixed bug with arguments required by other arguments, not displaying as
required to the user when printing usage information
* Changed some format!() to .to_owned() for performance reasons
# v0.4.17
* Arg values now accept lifetimes other than 'static
# v0.4.16
* Fixed bug with multiple options
* Removed unneeded Box<>'s
* Fixed formatting with positionals in help info
# v0.4.15
* Changed libc to crates.io in prep for Rust 1.0 stability
# v0.4.14
* Changed App version, about, name, author, and usage to allow lifetimes other than 'static
# v0.4.13
* Bug fixes with how multiple options are parsed
# v0.4.12
* Minor bug fixes
# v0.4.11
* Bug fixes and cleaned up code organization (well started to...)
* Changed runtime representation of arguments to lower allocated memory
# v0.4.10
* Minor bug fixes
* Added more comprehensive examples to repo