Reworked the dialogue system

Now the dialogue can use tags to add special effects
Reorganized project structure, updating may require adding some using statements

Tools/MonobehaviourExtensions.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+
+namespace SimpleTools {
+	public static class MonobehaviourExtensions {
+		public static void EnsureCoroutineStopped(this MonoBehaviour value, ref Coroutine routine) {
+			if (routine != null) {
+				value.StopCoroutine(routine);
+				routine = null;
+			}
+		}
+	}
+}