Update relationship types
Add method to get relationships of certain types
Add factory method to request relationships of certain types
Clean up url parameter in factory method, addRel
Add structure for get request handler for relationships of certain types
Update factory method to use query string in url
Update get handler to use query property on request
Add factory method to get connected nodes and links for specified character
Add getChar method to controller
Refactor reindexing links into factory method
Refactor reindexing links out of controller
Add GET handler for relationship types, add character ID to params in GET handler for character isolation
Add comments for character isolation and relationship type filtering
Merge pull request #13 from valiantvu/filter-relationships

Filter relationships & Isolate characters
Handle error case for creating a new character.

Most likely cause of this is trying to create a character that already exists.
set up params for /names route
validation for id and type parameters in route
Support retrieving all characters and relationships, separated by chapter.

On GET /api/names/
Add API support for filtering by ID and relationship types
change type-only query to return only relevant characters