1.10.4 RAR and other fixes

Issue	Description
#78	Speed up files extraction on OSX system by using setxattr instead of foundation methods
#79	Correct RAR5 variable int reading for correct reading values >> 32 bit
#80	Fix case when old solid rar archives weren't correctly extracted
#81	Fix broken symbolic links for the archives, created in Windows systems
#82	Fix case when JSON output explodes in solid archives with a lot of files
#85	Support WARC 1.0 compliant WARC-Target-URI fields
#86	Support extracting warc.{gz,bz2,lzma,xz,Z} files directly
#88	Add support for self extracting archives in RAR5