replace _LibraryCache with default dict
replace _LibraryCache with default dict

HelioGuilherme66/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,robotframework/RIDE,robotframework/RIDE,caio2k/RIDE,caio2k/RIDE,HelioGuilherme66/RIDE,fingeronthebutton/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE,fingeronthebutton/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE