Remove @dynamicMember generally

Sources/Path+Codable.swift

@@ -23,18 +23,19 @@ public extension CodingUserInfoKey {
  Provided for relative-path coding. See the instructions in our
  [README](https://github.com/mxcl/Path.swift/#codable).
 */
-extension Path: Codable {    
+extension Path: Codable {
     /// - SeeAlso: `CodingUserInfoKey.relativePath`
     /// :nodoc:
     public init(from decoder: Decoder) throws {
         let value = try decoder.singleValueContainer().decode(String.self)
         if value.hasPrefix("/") {
             string = value
-        } else {
-            guard let root = decoder.userInfo[.relativePath] as? Path else {
-                throw DecodingError.dataCorrupted(.init(codingPath: [], debugDescription: "Path cannot decode a relative path if `userInfo[.relativePath]` not set to a Path object."))
-            }
+        } else if let root = decoder.userInfo[.relativePath] as? Path {
             string = (root/value).string
+        } else if let root = decoder.userInfo[.relativePath] as? DynamicPath {
+            string = (root/value).string
+        } else {
+            throw DecodingError.dataCorrupted(.init(codingPath: [], debugDescription: "Path cannot decode a relative path if `userInfo[.relativePath]` not set to a Path object."))
         }
     }
 
@@ -44,6 +45,8 @@ extension Path: Codable {
         var container = encoder.singleValueContainer()
         if let root = encoder.userInfo[.relativePath] as? Path {
             try container.encode(relative(to: root))
+        } else if let root = encoder.userInfo[.relativePath] as? DynamicPath {
+            try container.encode(relative(to: root))
         } else {
             try container.encode(string)
         }