POD syntax fixes

This should allow to regenerate Tutorial.mkdn without the disgracious
section "POD ERRORS" at the end.
Write back the configuration we just read into the %CFG hash

This was not done, so in this module only the configuration value
of 'editor' was ever set. Notably, the 'user' configuration setting
was ignored.
Merge pull request #3 from rgs/docfixes

POD syntax fixes
Merge pull request #4 from rgs/configfixes

Write back the configuration we just read into the %CFG hash
POD Updates for version 1.0
Archive the 1.0 release