Make DesignDocument parameter optional.
Changed License from LGPL to MIT
Adding the  parameter in the View Query
Merge pull request #3 from CrazyAwesomeCompany/master

Adding keys parameter in View Query
Merge pull request #2 from bradley-holt/patch-1

Make DesignDocument Parameter Optional
Merge pull request #1 from marnusw/folder_design_doc

View\FolderDesignDocument didn't support Windows
Fix GH-4 - CouchDBClient#createDesignDocument()
Fix bug introduced in 18f1d301405139a60e602ac360745773bf6fd0be, closes GH-5