Checking configurable option

configurable option of property now checked
Fixed wrong proto object link

Checked: Ref object contains protoObject, but not proto
Checked: Uninformative proto object in scope
Checked: Uninformative null proto object
Checked: Uisplaying undefined proto what placed in properties
Checked Invalid Date object
Added subtype property to RemoteObject

Checked: subtype of Array is array
Checked: subtype of Date is date, type is object
Checked: subtype of RegExp is regexp, type is object
Checked: subtype of null is null