Log Message:
Update to 0.040:

0.040	2014-09-17

 [ Packaging ]
 - Repackage as a stable release.

0.039_01	2014-07-20

 [ Documentation ]
 - Document warning and error messages produced by Exporter::Tiny.

 [ Other ]
 - Exporter::Tiny would previously cause B.pm to be loaded into memory any
   time it exported anything. It no longer does.
 - No longer die when redefining locally defined subs.
 - Warn when redefining any subs.