sort and regroup variables in the explorer module
sort and regroup variables in the explorer module

Did not follow the same logic as the original commit, wanted to keep renamed variables on the sia positions

Original Sia Commit: 20b6671853596008a67d6c18166a1431e6df03f0 [20b66718]
Author: Boris Nagaev <e1e63a3e5ee10e9c0d1dbc7f5f80a3f8c515c639@google.com>
Date: 1 October 2017 at 18:09:05 GMT+2

rivine/rivine,rivine/rivine