Add pushHandler to interface (#3)

This allows implementations to use pushHandler, which is useful for changing where something can log.  For example, this is useful if you want to suppress errors during tests.

Author: a37wong

src/PaperG/Logger/StaticLoggerWrapper.php

@@ -1,6 +1,8 @@
 <?php
 
 namespace PaperG\Logger;
+use Monolog\Handler\StreamHandler;
+use Monolog\Logger;
 use Psr\Log\LoggerInterface;
 use InvalidArgumentException;
 
@@ -250,4 +252,16 @@ public static function debug($message, $context = null, $tags = [])
         $contextExists = func_num_args() >= 2; // Distinguish debug($m, null) vs. debug($m)
         static::getLogger()->debug($message, self::makeContextArray($context, $contextExists, $tags));
     }
+
+    /**
+     * Allows specific implementations to use different handlers
+     *
+     * @param $streamHandler StreamHandler
+     */
+    public static function pushHandler($streamHandler)
+    {
+        /* @var $monologLogger Logger */
+        $monologLogger = static::getLogger();
+        $monologLogger->pushHandler($streamHandler);
+    }
 }