Update dependencies and adapt to Nodal 1.0 API changes

Update Nodal to 1.0.0, Pelagos to 0.1.3, and ThreeMF to 0.2.3.
Replace Bool(xmlStringValue:) with manual boolean parsing.

Author: tomasf

Package.resolved

@@ -9,9 +9,9 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/tomasf/manifold-swift.git", .upToNextMinor(from: "0.4.0")),
-        .package(url: "https://github.com/tomasf/ThreeMF.git", .upToNextMinor(from: "0.2.0")),
+        .package(url: "https://github.com/tomasf/ThreeMF.git", .upToNextMinor(from: "0.2.3")),
         .package(url: "https://github.com/tomasf/Apus.git", .upToNextMinor(from: "0.1.1")),
-        .package(url: "https://github.com/tomasf/Pelagos.git", .upToNextMinor(from: "0.1.2")),
+        .package(url: "https://github.com/tomasf/Pelagos.git", .upToNextMinor(from: "0.1.3")),
     ],
     targets: [
         .target(

Package.swift

@@ -77,7 +77,12 @@ fileprivate extension PartSemantic {
 extension ThreeMF.Item {
     var printable: Bool? {
         get {
-            customAttributes[.printable].flatMap { try? Bool(xmlStringValue: $0) }
+            guard let value = customAttributes[.printable] else { return nil }
+            switch value {
+            case "true", "1": return true
+            case "false", "0": return false
+            default: return nil
+            }
         }
         set {
             customAttributes[.printable] = newValue.map { $0 ? "1" : "0" }