Removed unused property notifier.
Removed old Runtime.
Moved src/EngineManaged/Runtime to src/Runtime.
Moved EngineManaged/GUI to own package.
Moved StreamExtensions from Utils to Extensions.
Added package GUI build.
Added GUI as dependency to EditorPackage.
Package projects now include package.lua.
Added to Packages System reference.
Renamed namespace Flood.GUI to GUI
Added flag unsafe to GUI package.
RPCGen now generates empty package.API.dll when package.dll contains no RPC type.
Added GUI/GUI/Package.cs.
Renamed isObservable to isValueType.
Removed unused class TypeWeaver.
Add DelayedCopy class to Weaver.
Many changes to weaver.
Added missing ContextId serialization to RequestContext.
Update RPCGen to work with the weaver changes.
Remove test of no longer existing method CompileApi.