Remove @dynamicMember generally

Sources/Pathish.swift

@@ -0,0 +1,13 @@
+
+/// A type that represents a filesystem path, if you conform your type
+/// to `Pathish` it is your responsibility to ensure the string is correctly normalized
+public protocol Pathish: Hashable, Comparable {
+    /// The normalized string representation of the underlying filesystem path
+    var string: String { get }
+}
+
+public extension Pathish {
+    static func ==<P: Pathish> (lhs: Self, rhs: P) -> Bool {
+        return lhs.string == rhs.string
+    }
+}