100% documentation please

Sources/Path+StringConvertibles.swift

@@ -9,12 +9,14 @@ extension Path: LosslessStringConvertible {
 }
 
 extension Path: CustomStringConvertible {
+    /// Returns `Path.string`
     public var description: String {
         return string
     }
 }
 
 extension Path: CustomDebugStringConvertible {
+    /// Returns eg. `Path(string: "/foo")`
     public var debugDescription: String {
         return "Path(string: \(string))"
     }