Version 1.15.1: fixed 4chan images retrieval

Version 1.15.0: new sites and bug fixes

Version 1.14.0: thread reparsing and other features

Version 1.13.0: DPI-awareness and improvements

Version 1.12.0: archive sites and various improvements

Version 1.11.2: new features and enhancements

Version 1.11.1: bug fixes

Version 1.11.0: new features and bug fixes

Version 1.10.5: quick fix

Version 1.10.4: exception logging and bug fixes