v840 - 29th of April

Bug fixes
[list][*]Asymptote(f) & Asymptote(f(x)) plot the same [/*][*]issue with using Protractor and Spotlight at the same time[/*][*]loading files with NSolve()[/*][*]slider stays x_1 (not x'1)[/*][/list]

Information: v840 - 29th of April