chore: Release package getopts version 0.2.24

chore: Release package getopts version 0.2.23

chore: Release package getopts version 0.2.22

Bump to 0.2.21

Bump to 0.2.20

Merge pull request #80 from rust-lang-nursery/cargo/0.2.19

Prepare for 0.2.19 release

Merge pull request #74 from rust-lang-nursery/cargo/0.2.18

Prepare for 0.2.18 release

Version 0.2.17

Version 0.2.16

Version 0.2.15