apollo-compiler@0.11.0

Features

• add InterfaceTypeDefinition::implementors(&db) to list object types and other interfaces that implement an interface, by Geal in pull/616

Fixes

• fix SelectionSet::is_introspection when the same fragment is spread multiple times, by glasser in pull/614, issue/613

Maintenance

• update apollo-parser to 0.6.0, by goto-bus-stop in pull/621