Change AbstractCacheResourceResolver class to be ApplicationContextAware and EnvironmentAware.
Add getLogger() method to the AbstractCacheResourceResolver class.
Add Resource description in Logger message logged by onMissingResource(..) on export.
Annotate AbstractExportResourceResolver.onMisingResource(..) method signature with Spring Framework @NonNull and @Nullable annotations.
Separate logic from afterPropertiesSet() initializing the ApplicationContext, Environment and ResourceLoader objects on aware import/export ResourceResolvers into init methods.
Edit Javadoc.
Resolves gh-92.