Regenerate gemspec for version 0.4.4

Bump to version 0.4.2

Update rubyzip dependency to >= 1.0.0 and version patch bump

Merge pull request frozon#18 from lgleasain/master

All of the changes for the latest version of the gem

Regenerate gemspec for version 0.1.2

Regenerate gemspec for version 0.1.1

Regenerate gemspec for version 0.1.0

Allow to return a stream instead of a file

Stable 0.0.3