make SellMedia into a singleton, cleanup this mess, compartmentalize files
cleanup redundant sell media upload dir contstants
singelton instances fix
fixes for bulk uploads
reorganize settings
init settings
missing Sell_Media reference fix
plugin_dir_url in script localization, changelog
zip downloads work, packages not working yet
packages downloads are working
remove sep if no size
cart images, PayPal tax
show debug on subdomain
hide debug on subdomain
show debug on subdomain
show debug on subdomain
add missing mime types
mime-types added
revent admin images change
admin helpers, mimetype check