Fix grammar

Thanks to @demin-dmitriy for this one!

Regexes are fun!

Merge pull request #6 from grahamc/master

Swap regex characters allowing dashes in variables, to prevent range class

Fix recognition of variables with hypens

thanks to @grahamc and Tumblr!

MIT license

This package has now been re-licensed under the MIT license. I believe this is strictly more permissive than GPLv2 so should not result in problems for software using it.

Shiny New Stuff

It seems to work, but marking it 0.9 until there were more eyeballs.