Move paginator methods to module.
Move url_endpoints into collections class.
Drop collection exist since it will always return true.
Convert 2 or more slashes to one
Change config['paginator']['namespace'] to config['paginator']['url'] and default to /<resource_name>/index/
Add rss url configuration options and defaults.
Forgot to update one name change: 'namespace' to 'url'.
Update paginator previewer to query a paginator url dictionary to find the correct collection to use if the paginator url is valid.
bump to v2.1