iOS7 stencils are planned to be added with our next point release.
There have been multiple updates in the organization of the Library since it was released. Previously, you would need to manually navigate a parent section to find out which pages it had. Newer changes have made it so that you can jump straight to a child page that you are interested it.
While icon searching is not on the immedate roadmap, it is a feature that may be added in the future. When there is additional information about implementing it in, it will be posted here.