start implementing edn loader; remove PhantomData from some tek_layout constructs

src/midi/midi_launch.rs

@@ -15,12 +15,13 @@ pub trait HasPlayPhrase: HasClock {
             None
         }
     }
-    fn pulses_since_start_looped (&self) -> Option<f64> {
+    fn pulses_since_start_looped (&self) -> Option<(f64, f64)> {
         if let Some((started, Some(phrase))) = self.play_phrase().as_ref() {
             let elapsed = self.clock().playhead.pulse.get() - started.pulse.get();
             let length  = phrase.read().unwrap().length.max(1); // prevent div0 on empty phrase
+            let times   = (elapsed as usize / length) as f64;
             let elapsed = (elapsed as usize % length) as f64;
-            Some(elapsed)
+            Some((times, elapsed))
         } else {
             None
         }