Update README and metadata for version 1.1.1; add discovery test for plugin class loading

tests/import.php

@@ -40,7 +40,11 @@ class Plugin {
     public function workspace() { global $dir; return $dir . 'workspace/'; }
     public function post() {}
 }
+$declaredBeforePlugin = get_declared_classes();
 require dirname(__DIR__) . '/plugin.php';
+if (array_values(array_diff(get_declared_classes(), $declaredBeforePlugin)) !== ['pluginBluditGithub']) {
+    throw new RuntimeException('Only the plugin class may be declared during Bludit discovery.');
+}
 class TestIndex { public $count = 0; public function exists($key) { return in_array($key, ['network', 'uncategorized'], true); } public function reindex() { $this->count++; return true; } }
 class TestLog { public function add($args) {} }
 class Theme {
@@ -90,6 +94,7 @@ $site = new class { public function sortBy() { return 'date'; } public function
 $L = new class { public function g($s) { return $s; } public function getunicodeChars() { return []; } public function currentLanguage() { return 'en'; } };
 Session::set('username', 'admin');
 $plugin = new TestPlugin();
+$plugin->init();
 try {
     // Parser and filesystem boundaries.
     foreach (['../bad', 'a/b', '', 'x%2fy', 'x\\y'] as $slug) { rejects(function () use ($slug) { BluditGithubImport::slug($slug); }, 'folder name'); }