Use strict and warnings and fix related issues
Fix uri() to always return to full URI path even if handler is mounted under a subdir
Add $r->construct_url()
Fix typo: _subporcess_env -> _subprocess_env
Fix $r->args to return query string instead of query params hash
Add $r->auth_type, $r->auth_name and $r->is_intial_req
Invent Plack::App::FakeApache::Server and make $r->server->log_error() work
Add support for stacked authen, authz and response handlers
Work around CGI not knowing what to do with a Plack::App::FakeApache::Request

Overriding CGI->new() certainly isn't pretty, but it seems the least ugly
way to make things "just work".
Merge pull request #3 from makholm/master

Support for authen, authz, stacked handlers and various other bits and pieces