Changes to whitespace in signatures

Author: propensive

src/core/digression.StackTrace.scala

@@ -219,7 +219,7 @@ case class StackTrace
     className: Text,
     message:   Message,
     frames:    List[StackTrace.Frame],
-    cause:     Optional[StackTrace]):
+    cause:    Optional[StackTrace]):
 
   def crop(cutClassName: Text, cutMethod: Text): StackTrace =
     val frames2 = frames.takeWhile { f => f.method.className != cutClassName || f.method.method != cutMethod }