Adds performance optimization to UTF16 converters
Adds performance optimization to UTF16 converters

saper/libsass,am11/libsass,FishingCactus/libsass,am11/libsass,am11/libsass,technoAri/libsass,saper/libsass,mikebarkas/libsass,khchanel/libsass,webdev1001/libsass,admire93/libsass-python,FishingCactus/libsass,saper/libsass,errorx666/libsass,khchanel/libsass,panicinc/libsass,panicinc/libsass,TBAPI-0KA/NSass,khchanel/libsass,webdev1001/libsass,TBAPI-0KA/NSass,FishingCactus/libsass,FishingCactus/libsass,khchanel/libsass,saper/libsass,dahlia/libsass-python,mikebarkas/libsass,am11/libsass,mtwebster/mint-libsass,TBAPI-0KA/NSass,technoAri/libsass,technoAri/libsass,errorx666/libsass,panicinc/libsass,mikebarkas/libsass,mtwebster/mint-libsass,panicinc/libsass,technoAri/libsass,admire93/libsass-python,mtwebster/mint-libsass,FishingCactus/libsass,TBAPI-0KA/NSass,errorx666/libsass,mtwebster/mint-libsass,errorx666/libsass,mikebarkas/libsass,webdev1001/libsass,dahlia/libsass-python,saper/libsass,mikebarkas/libsass,am11/libsass,TBAPI-0KA/NSass,technoAri/libsass,khchanel/libsass,webdev1001/libsass,webdev1001/libsass,TBAPI-0KA/NSass,mtwebster/mint-libsass,panicinc/libsass