Support hunspell 1.7

This release brings hunspell 1.7 support.
Thanks @vincentisambart for the contribution.

Happy 10th birthday Hunspell

Hunspell ruby wrapper turns ten! Since its birth the project is doing well so it deserves a major release. Note, this is just a version bump.

Add analyze function

This release includes Hunspell analyze function.
Credit goes to @reneklacan for the contribution.

Support hunspell version 1.6

This is a minor release to include support of the freshly released hunspell library.

Support newer hunspell libraries

With super thanks to @pkerling Hunspell ruby gem now supports even the latest hunspell library version 1.5!
Also, rake test got fixed.