What's New 5l6m4g

* FIX: round() function in version 1.5.2

Previous changes:
* FIX: Switching between dark and light mode now renders text properly
* FIX: Numbers without leading 0s are now ed with currency and in cultures that use , as the decimal separator
* FIX: Indentation commands and cursor movements when hitting Return in an answer
* NEW: Solutions can now be saved to a new function using the `solve` function:

y = m*x + b
z = solve(x) => y/m - b/m
z => y/m - b/m