PATCH: Search system should support regular expressions

data/ui/preferences/playback.ui (+35/-2)
data/ui/preferences/playlists.ui (+15/-0)
plugins/audioscrobbler/__init__.py (+5/-5)
plugins/awn/__init__.py (+7/-7)
plugins/bpm/PLUGININFO (+4/-0)
plugins/bpm/__init__.py (+258/-0)
plugins/bpm/bpm.glade (+49/-0)
plugins/currentsong/__init__.py (+7/-7)
plugins/desktopcover/__init__.py (+10/-2)
plugins/equalizer/__init__.py (+2/-2)
plugins/grouptagger/PLUGININFO (+4/-0)
plugins/grouptagger/__init__.py (+273/-0)
plugins/grouptagger/gt_common.py (+297/-0)
plugins/grouptagger/gt_widgets.py (+406/-0)
plugins/history/PLUGININFO (+4/-0)
plugins/history/__init__.py (+311/-0)
plugins/history/history_preferences.py (+52/-0)
plugins/history/history_preferences.ui (+70/-0)
plugins/karaoke/__init__.py (+2/-2)
plugins/lyricsviewer/__init__.py (+6/-6)
plugins/minimode/controls.py (+11/-11)
plugins/moodbar/__init__.py (+4/-4)
plugins/mpris/mpris_player.py (+2/-2)
plugins/notify/__init__.py (+3/-3)
plugins/notifyosd/__init__.py (+8/-8)
plugins/replaygain/__init__.py (+4/-4)
plugins/streamripper/__init__.py (+4/-4)
xl/formatter.py (+8/-8)
xl/metadata/__init__.py (+11/-1)
xl/metadata/mp4.py (+6/-0)
xl/player/__init__.py (+2/-2)
xl/player/_base.py (+10/-9)
xl/player/adapters.py (+18/-14)
xl/player/engine_normal.py (+9/-6)
xl/player/engine_unified.py (+24/-20)
xl/player/pipe.py (+47/-41)
xl/player/queue.py (+20/-5)
xl/playlist.py (+16/-6)
xl/trax/search.py (+30/-2)
xl/trax/track.py (+7/-1)
xl/trax/trackdb.py (+9/-2)
xlgui/__init__.py (+2/-2)
xlgui/cover.py (+16/-13)
xlgui/main.py (+17/-10)
xlgui/menu.py (+5/-0)
xlgui/oldmenu.py (+24/-2)
xlgui/osd.py (+1/-1)
xlgui/panel/collection.py (+2/-2)
xlgui/panel/files.py (+2/-2)
xlgui/panel/flatplaylist.py (+4/-4)
xlgui/panel/playlists.py (+142/-33)
xlgui/panel/radio.py (+4/-4)
xlgui/playlist.py (+12/-11)
xlgui/preferences/__init__.py (+8/-11)
xlgui/preferences/playback.py (+8/-0)
xlgui/preferences/playlists.py (+4/-0)
xlgui/properties.py (+11/-1)
xlgui/tray.py (+14/-14)
xlgui/widgets/dialogs.py (+335/-7)
xlgui/widgets/filter.py (+10/-0)
xlgui/widgets/info.py (+19/-15)
xlgui/widgets/menuitems.py (+7/-8)
xlgui/widgets/notebook.py (+1/-0)
xlgui/widgets/playback.py (+58/-58)
xlgui/widgets/playlist.py (+75/-28)
xlgui/widgets/playlist_columns.py (+5/-4)
xlgui/widgets/queue.py (+12/-10)
xlgui/widgets/rating.py (+23/-22)