- Rearrange `React::Renderer` methods and move non-public methods to private
- Make use of `default_pool_options` hash, instead of hard-coding magic numbers when initializing `ConnectionPool`
- Use hash.except! instead of manually deleting hash options.
- No need to explicitly check if options[:prerender]'s value is true
Merge pull request #99 from vipulnsward/1-refactorings

Minor refactorings
Correctly pass `max_renderers` config to setup