Allow different requirements to be shown for different packages

[bo0mdesign]

Requirements would be much easier and cleaner if i was able to change what was shown depending on the package bought.

E.g

If i offer animation and effects to premium, but not to basic, basic would not be asked what character they would like animated and what effects they would like, only premium would.

Instead i find i have to specify in each requirement for which package it is, as not to confuse the buyer.