Implement interface: Sync with fixes in VFPT
Implement interface: Sync with fixes in VFPT

Notably, allow implementation of IBindingList: https://github.com/fsprojects/VisualFSharpPowerTools/issues/396

vasily-kirichenko/FsAutoComplete,cloudRoutine/FsAutoComplete,cloudRoutine/FsAutoComplete,rneatherway/FsAutoComplete,kjnilsson/FSharp.AutoComplete