Revert "d"

This reverts commit a665b471cfc7a99ec0f5cb949590469d8557e8dd.
Revert "Revert "d""

This reverts commit 9b3606f96526d520305ff0394e89b2babcd5b1cd.
Revert "d"

This reverts commit a665b471cfc7a99ec0f5cb949590469d8557e8dd.
Revert "Revert "d""

This reverts commit c406a967eb6995aaa2061b940f0d0287c4fbba0e.
Revert "Revert "Revert "d"""

This reverts commit 57b9000860e612262b63a4d2fa3df783bda5a30a.
Revert "Revert "d""

This reverts commit 9b3606f96526d520305ff0394e89b2babcd5b1cd.
Revert "d"

This reverts commit a665b471cfc7a99ec0f5cb949590469d8557e8dd.
Fixed errors, added sidebar