Namespace fix on IMvxViewPresenter - apologies for this one.
Debug trace updates - small optimisation - allow Func<string> to be passed
Update - Namespace fix on IMvxViewPresenter - apologies for this one.
**Important** fix for IoC registration - singletons weren't being properly recorded
check that no-one abuses the lazy singleton binding
Singleton fixes - for lazy creation
Request purges in messenger
Added optional tags to subscriptions
Attempt to delay sign the System.Windows - this could be epic (or could be epic fail)