Adds comments about the crappy cast which is now encapsulated within the ExtensibilityHelper type.
Adds comments about the crappy cast which is now encapsulated within the ExtensibilityHelper type.

dupdob/NFluent,tpierrain/NFluent,tpierrain/NFluent,dupdob/NFluent,NFluent/NFluent,tpierrain/NFluent,dupdob/NFluent,NFluent/NFluent