More Interim changes to DToolClient API and internals.
Update code completion DToolClient API usage.
Improved code for UI operations, use ProgressService.
Some fixed do DDoc hover operation.
Initial implementation of ResolvedModule.
Initial code for DClient to use BundleSemanticResolution.
Minor refactoring to dtool tests
Fixed problem with parse cache detecting quick file modifications.
Refactoring of SemanticManager: correct Module list update model.
Updated DToolClient to new server API. Enabled new DTool resolver. (some
tests failing - need updating)