Utilities

Contains utilities that are frequently used to simplify pattern recognition such as:

let (|StartsWith|_|) (value: string) = function
    | (s: string) when s.StartsWith(value) -> Some()
    | _ -> None

These utilities should be based on primitives rather than structures defined in Types.fs.

The only reason it is compiled after Types.fs is to allow us to utilise PluginContext (which is defined in Types.fs) if required.