Version 0.4.0

PR 93, 95, 101, 76. Drop older PHP versions.

Officially removing support for PHP 5.3 as of version 0.3.0

redundant

version bump 0.2.8

bump

version bump

Version Bump 0.2.5

Merge pull request nategood#17 from nategood/default-value

add support for default values for unspecified options

version bump 0.2.3

Merge pull request nategood#10 from felds/master

Avoid double help