Fix issue #57: Assert 2.1.0 broke ASSERT_PARALLEL_CALLBACKS

Author: bonachea

src/assert_m.f90

@@ -1,7 +1,8 @@
 module assert_m
   !! Public interface
+  use assert_subroutine_m ! DO NOT PLACE AN ONLY CLAUSE HERE! 
+                          ! All public members of assert_subroutine_m are exported
   use intrinsic_array_m,   only : intrinsic_array_t
-  use assert_subroutine_m, only : assert, assert_always
   use characterizable_m,   only : characterizable_t
 
   ! The function below is public only to support automated