Clarify that __clean_eval does not use strict or warnings.

Author: toddr

Changes

@@ -1,6 +1,7 @@
 Revision history for Module-Metadata
 
 {{$NEXT}}
+- Clarify that __clean_eval does not include strict or warnings
 
 1.000037  2019-09-07 18:32:44Z
   - add decode_pod option for automatic =encoding handling

lib/Module/Metadata.pm

@@ -10,7 +10,7 @@ package Module::Metadata;
 # perl modules (assuming this may be expanded in the distant
 # parrot future to look at other types of modules).
 
-sub __clean_eval { eval $_[0] }
+sub __clean_eval { no strict; no warnings; eval $_[0] }
 use strict;
 use warnings;