* Update parser whitespace for clarity Has the nice benefit of not requiring a charCode to String conversion. * Remove test262 exceptions Per https://github.com/tc39/ecma262/pull/1218#issuecomment-395340891, ECMA262 follows whatever the latest Unicode version specifies for Zs Space_Separator category. MONGOLIAN VOWEL SEPARATOR was moved to the Cf Other_Format category in Unicode 8.