v1.4 Improve searching, Support preview screenshots

Release Note:

v1.4 is now released and includes the following changes:

• Search Functionality

  • By using quotes to specify exact search terms and considering the part of speech of the tokenizer to determine whether each keyword is required or optional, search performance is improved. 522c7ee
  • Support for search magnet uri 70c6707

• UI

  • Support preview torrent video screenshots d29ea7f
  • Add subtitles icon 2d11985
  • Common style improvements 042f83b, ad510a8

• Chore

  • I18N 7e78adb
  • API header content type specified as utf-8 0e05b5a
  • Add demo page 5134846

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Full Changelog: v1.3...v1.4