fix error with missing details and icon files and improve xdetails sorting
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# Changes to be committed:
#	modified:   .gitignore
#	modified:   .zap2xmlrc
#	modified:   LICENSE.txt
#	modified:   README.md
#	modified:   addon.xml
#	modified:   bin/tv_grab_zap2xml
#	modified:   default.py
#	modified:   resources/language/English/strings.xml
#	modified:   resources/settings.xml
#	modified:   zap2xml.py
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