* Fixed the hashing so it properly starts and stops. When

DownloadList::pause is called it clears the "hashing" variable.

* Added convenience functions for retriving torrent::Object key's of
specific types.

* Iterate to the first visible transfer in the chunks seen view. Patch
by Josef Drexler.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@732 e378c898-3ddf-0310-93e7-cc216c733640

src/utils/variable_map.h

@@ -72,6 +72,7 @@ public:
 
   void                set(const std::string& key, const mapped_type& arg);
   void                set_string(const std::string& key, const std::string& arg) { set(key, mapped_type(arg)); }
+  void                set_value(const std::string& key, mapped_value_type arg)   { set(key, mapped_type(arg)); }
 
   // Relocate.
   void                process_command(const std::string& command);