$ENV{SCRIPT_NAME} if possible. This is many web servers always fully
decode PATH_INFO including URI reserved characters. This allows us to
tell foo%2cbar from foo%252cbar.. RT#50082
+ - Require new HTTP::Request::AsCGI so that it fully decodes $ENV{PATH_INFO}
+ in non CGI contexts.
Refactoring / cleanups:
- NoTabs and Pod tests moved to t/author so that they're not run