add some toggles

Author: jClugstor

lib/NonlinearSolveBase/src/verbosity.jl

@@ -1,4 +1,10 @@
+using Base.ScopedValues
+const non_linear_verbose = ScopedValue(NonlinearVerbosity())
+
 mutable struct NonlinearErrorControlVerbosity
+    immutable_u0::Verbosity.Type
+    non_enclosing_interval::Verbosity.Type
+
     function NonlinearErrorControlVerbosity()
         new()
     end