Backported 400 revisions from rev 1de4961-8897c5b (2018-2014).
Move core/benchmark, core/cmd_line, core/memory, core/profiler and core/timeout to core/optional/*
Remove metadata/qt*
PORT: Version 2.0a3 (inline with 3.0a3 @ f80c7d5).
Basic Support for XMP Packets.
tga: improvements to adhere more closely to the spec.
pdf: slightly improved parsing.
rar: fix TypeError on unknown block types.
Add MacRoman win32 codepage.
tiff/exif: support SubIFDs and tiled images.
Add method to export metadata in dictionary.
mpeg_video: don't attempt to parse Stream past length.
mpeg_video: parse ESCR correctly, add SCR value.
Change centralise CustomFragments.
field: don't set parser class if class is None, to enable autodetect.
field: add value/display for CustomFragment.
parser: inline warning to enable tracebacks in debug mode.
Fix empty bytestrings in makePrintable.
Fix contentSize in jpeg.py to account for image_data blocks.
Fix the ELF parser.
Enhance the AR archive parser.
elf parser: fix wrong wrong fields order in parsing little endian section flags.
elf parser: add s390 as a machine type.
Flesh out mp4 parser.
PORT: Version 2.0a1 (inline with 3.0a1).
Major refactoring and PEP8.
Fix ResourceWarning warnings on files. Add a close() method and support for the context manager protocol ("with obj: ...") to parsers, input and output streams.
metadata: get comment from ZIP.
Support for InputIOStream.read(0).
Fix sizeGe when size is None.
Remove unused new_seekable_field_set file.
Remove parser Mapsforge .map.
Remove parser Parallel Realities Starfighter .pak files.
sevenzip: fix for newer archives.
java: update access flags and modifiers for Java 1.7 and update description text for most recent Java.
Support ustar prefix field in tar archives.
Remove file_system* parsers.
Remove misc parsers 3d0, 3ds, gnome_keyring, msoffice*, mstask, ole*, word*.
Remove program parsers macho, nds, prc.
Support non-8bit Character subclasses.
Python parser supports Python 3.7.
Enhance mpeg_ts parser to support MTS/M2TS.
Support for creation date in tiff.
Change don't hardcode errno constant.
PORT: 1.9.1
Internal Only: The following are legacy reference to upstream commit messages.
Relevant changes up to b0a115f8.
Use integer division.
Replace HACHOIR_ERRORS with Exception.
Fix metadata.Data: make it sortable.
Import fixes from e7de492.
PORT: Version 2.0a1 (inline with 3.0a1 @ e9f8fad).
Replace hachoir.core.field with hachoir.field
Replace hachoir.core.stream with hachoir.stream
Remove the compatibility module for PY1.5 to PY2.5.
metadata: support TIFF picture.
metadata: fix string normalization.
metadata: fix datetime regex Fix hachoir bug #57.
FileFromInputStream: fix comparison between None and an int.
InputIOStream: open the file in binary mode.
Add episode watched state system that integrates with Kodi, Plex, and/or Emby, instructions at Shows/History/Layout/"Watched".
Add installable SickGear Kodi repository containing addon "SickGear Watched State Updater".
Change add Emby setting for watched state scheduler at Config/Notifications/Emby/"Update watched interval".
Change add Plex setting for watched state scheduler at Config/Notifications/Plex/"Update watched interval".
Add API cmd=sg.updatewatchedstate, instructions for use are linked to in layout "Watched" at /history.
Change history page table filter input values are saved across page refreshes.
Change history page table filter inputs, accept values like "dvd or web" to only display both.
Change history page table filter inputs, press 'ESC' key inside a filter input to reset it.
Add provider activity stats to Shows/History/Layout/ drop down.
Change move provider failures table from Manage/Media Search to Shows/History/Layout/Provider fails.
Change sort provider failures by most recent failure, and with paused providers at the top.
Change remove table form non-testing version 20007, that was reassigned.
Change add warning message to Display Show and Edit Show page if show no longer found at TV info source due to an ID change, the last successful date of show update with current ID is also displayed.
Add "Shows not found previously" to Manage/Show Processes Page to highlight which shows can adjust their show IDs in order to sustain TV info updates.
Add "Shows from defunct indexers" to Manage/Show Processes page to highlight which shows can be switched to a different default TV info source.
Shows not found on an indexer for over 7 days will only be retried once a week.
Change improve show not found detection in Tvdb_Api lib.
Change add tv_shows_not_found db table.
Change add cleanup of orphaned not found shows during startup.
Change add UI Notification when MasterID is not changed because a show with that ID already exists in DB.
Change remove search results filtering from tv info source.
Change suppress startup warnings for Fuzzywuzzy and Cheetah libs.
Change show name aliases get a score -1 to give the main names priority.
Change replace findCertainShow with find_show_by_id for mapped multi-indexer.
Change add Trakt info source search interface.
Change directly send image after it's been cached.
Fix loading CachedImages images with TVDB API v2 changes.
Change add optional "stack_size" setting as integer to config.ini under "General" stanza.
Change prevent too many retries when loading network timezones, conversions, and zoneinfo in a short time.
Update to UnRar 5.50 beta 6.
